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Over 250 million face dangerous heat dome into 4th of July weekend. Click for details. Chevron right
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Danbury, CT

80°F
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Danbury, CT Weather
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12 AM

77°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 7%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

WindSSW 2 mph

Air QualityPoor

Wind Gusts4 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling33400 ft

1 AM

75°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

WindWSW 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity94%

Indoor Humidity94% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

74°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

WindW 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity96%

Indoor Humidity95% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

73°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

WindW 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity97%

Indoor Humidity95% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

72°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

WindW 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity98%

Indoor Humidity95% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

71°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

WindW 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity99%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

72°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™79°

WindW 4 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts5 mph

Humidity98%

Indoor Humidity95% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

75°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 1%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™82°

WindWSW 4 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts5 mph

Humidity95%

Indoor Humidity95% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover22%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

80°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™86°

Heat Index84°

WindWSW 4 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts5 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

9 AM

84°
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™91°

Heat Index91°

WindW 5 mph

Air QualityPoor

Max UV Index3.4 (Moderate)

Wind Gusts6 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

10 AM

87°
RealFeel® 100°
Very Hot
RealFeel Guide
Very Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™93°

Heat Index95°

WindW 6 mph

Air QualityPoor

Max UV Index4.8 (Moderate)

Wind Gusts7 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

11 AM

90°
RealFeel® 104°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™96°

Heat Index99°

WindW 6 mph

Air QualityPoor

Max UV Index7.3 (High)

Wind Gusts8 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

12 PM

93°
RealFeel® 107°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™98°

Heat Index101°

WindW 7 mph

Air QualityPoor

Max UV Index9.5 (Very High)

Wind Gusts9 mph

Humidity50%

Indoor Humidity50% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

1 PM

96°
RealFeel® 109°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™99°

Heat Index103°

WindWSW 7 mph

Air QualityPoor

Max UV Index10.5 (Very High)

Wind Gusts10 mph

Humidity43%

Indoor Humidity43% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

2 PM

98°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™99°

Heat Index104°

WindWSW 8 mph

Air QualityPoor

Max UV Index9.5 (Very High)

Wind Gusts12 mph

Humidity39%

Indoor Humidity39% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

3 PM

99°
RealFeel® 106°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™100°

Heat Index105°

WindWSW 9 mph

Air QualityPoor

Max UV Index7.3 (High)

Wind Gusts13 mph

Humidity36%

Indoor Humidity36% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

4 PM

101°
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™101°

Heat Index106°

WindWSW 9 mph

Air QualityPoor

Max UV Index4.8 (Moderate)

Wind Gusts15 mph

Humidity32%

Indoor Humidity32% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

5 PM

100°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™98°

Heat Index103°

WindWSW 9 mph

Air QualityPoor

Max UV Index3.4 (Moderate)

Wind Gusts16 mph

Humidity33%

Indoor Humidity33% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

6 PM

98°
RealFeel® 99°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™97°

Heat Index101°

WindSW 8 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts14 mph

Humidity34%

Indoor Humidity34% (Humid)

Dew Point65° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

7 PM

95°
RealFeel® 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Hazy sunshine
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™95°

Heat Index98°

WindSW 7 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts13 mph

Humidity38%

Indoor Humidity38% (Humid)

Dew Point66° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover31%

Visibility5 mi

Cloud Ceiling30000 ft

8 PM

92°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

RealFeel Shade™94°

Heat Index96°

WindSW 6 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts10 mph

Humidity44%

Indoor Humidity44% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

89°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

Heat Index93°

WindSW 5 mph

Air QualityPoor

Wind Gusts8 mph

Humidity51%

Indoor Humidity51% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

86°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

Heat Index90°

WindWSW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity57%

Indoor Humidity57% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

83°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Friday
alerts

Extreme Heat Watch

12:00 PM Wednesday - 9:00 PM Saturday

Heat Index89°

WindWSW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Danbury

AccuWeather's hourly forecast for Danbury provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 77° with a RealFeel® of 84°, mostly clear with a 7% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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