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New Castle, DE

78°F
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New Castle, DE Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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6 AM

75°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™78°

WindN 4 mph

Air QualityVery Unhealthy

Max UV Index0.2 (Low)

Wind Gusts4 mph

Humidity76%

Indoor Humidity76% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover29%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

76°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™79°

WindN 4 mph

Air QualityVery Unhealthy

Max UV Index1.1 (Low)

Wind Gusts4 mph

Humidity76%

Indoor Humidity76% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover20%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

78°
RealFeel® 82°
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
Hazy sunshine
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™78°

WindE 5 mph

Air QualityVery Unhealthy

Max UV Index2.1 (Low)

Wind Gusts6 mph

Humidity65%

Indoor Humidity65% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

80°
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 0%
Chevron down
Hazy sunshine
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™80°

Heat Index82°

WindSSW 5 mph

Air QualityVery Unhealthy

Max UV Index3.3 (Moderate)

Wind Gusts6 mph

Humidity60%

Indoor Humidity60% (Humid)

Dew Point65° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

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
Hazy sunshine
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™82°

Heat Index85°

WindSSW 6 mph

Air QualityVery Unhealthy

Max UV Index4.7 (Moderate)

Wind Gusts7 mph

Humidity52%

Indoor Humidity52% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

86°
RealFeel® 93°
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

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™85°

Heat Index87°

WindSW 7 mph

Air QualityVery Unhealthy

Max UV Index7.1 (High)

Wind Gusts9 mph

Humidity47%

Indoor Humidity47% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

88°
RealFeel® 95°
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

Heat Advisory

12:00 PM Thursday - 8:00 PM Thursday
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™86°

Heat Index89°

WindSW 8 mph

Air QualityVery Unhealthy

Max UV Index9.4 (Very High)

Wind Gusts13 mph

Humidity44%

Indoor Humidity44% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

89°
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

Heat Advisory

12:00 PM Thursday - 8:00 PM Thursday
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™87°

Heat Index90°

WindWSW 9 mph

Air QualityVery Unhealthy

Max UV Index10.4 (Very High)

Wind Gusts15 mph

Humidity43%

Indoor Humidity43% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

90°
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 9%
Chevron down
Hazy sunshine
alerts

Heat Advisory

12:00 PM Thursday - 8:00 PM Thursday
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™88°

Heat Index91°

WindW 10 mph

Air QualityVery Unhealthy

Max UV Index9.4 (Very High)

Wind Gusts18 mph

Humidity42%

Indoor Humidity42% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

91°
RealFeel® 95°
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 9%
Chevron down
Hazy sunshine
alerts

Heat Advisory

12:00 PM Thursday - 8:00 PM Thursday
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™89°

Heat Index92°

WindW 10 mph

Air QualityVery Unhealthy

Max UV Index7.1 (High)

Wind Gusts20 mph

Humidity40%

Indoor Humidity40% (Humid)

Dew Point63° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

93°
RealFeel® 95°
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 13%
Chevron down
Hazy sunshine
alerts

Heat Advisory

12:00 PM Thursday - 8:00 PM Thursday
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™90°

Heat Index94°

WindWSW 10 mph

Air QualityVery Unhealthy

Max UV Index4.7 (Moderate)

Wind Gusts21 mph

Humidity37%

Indoor Humidity37% (Humid)

Dew Point63° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

91°
RealFeel® 92°
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 47%
Chevron down
Hazy sunshine
alerts

Heat Advisory

12:00 PM Thursday - 8:00 PM Thursday
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™89°

Heat Index93°

WindWSW 10 mph

Air QualityVery Unhealthy

Max UV Index3.3 (Moderate)

Wind Gusts22 mph

Humidity40%

Indoor Humidity40% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

88°
RealFeel® 86°
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 51%
Chevron down
Mostly cloudy w/ t-storms
alerts

Heat Advisory

12:00 PM Thursday - 8:00 PM Thursday
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™86°

Heat Index91°

WindW 10 mph

Air QualityVery Unhealthy

Max UV Index0.9 (Low)

Wind Gusts18 mph

Humidity49%

Indoor Humidity49% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

7 PM

87°
RealFeel® 88°
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 47%
Chevron down
Hazy sunshine
alerts

Heat Advisory

12:00 PM Thursday - 8:00 PM Thursday
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™86°

Heat Index89°

WindW 9 mph

Air QualityVery Unhealthy

Max UV Index1.1 (Low)

Wind Gusts16 mph

Humidity49%

Indoor Humidity49% (Humid)

Dew Point66° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover31%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

86°
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 6%
Chevron down
Mostly sunny
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

RealFeel Shade™85°

Heat Index88°

WindWNW 8 mph

Air QualityVery Unhealthy

Max UV Index0.2 (Low)

Wind Gusts13 mph

Humidity49%

Indoor Humidity49% (Humid)

Dew Point65° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover22%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

83°
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

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

Heat Index84°

WindNW 7 mph

Air QualityVery Unhealthy

Wind Gusts9 mph

Humidity50%

Indoor Humidity50% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

81°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Mostly clear
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

Heat Index82°

WindNNW 7 mph

Air QualityVery Unhealthy

Wind Gusts9 mph

Humidity54%

Indoor Humidity54% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

80°
RealFeel® 82°
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 6%
Chevron down
Mostly clear
alerts

Air Quality Alert

3:45 PM Tuesday - 12:00 AM Friday

Heat Index83°

WindNNW 7 mph

Air QualityVery Unhealthy

Wind Gusts8 mph

Humidity70%

Indoor Humidity70% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for New Castle

AccuWeather's hourly forecast for New Castle provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 75° with a RealFeel® of 78°, mostly sunny with a 0% 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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