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Katonah, NY

82°F
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Katonah

New York

82°
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Katonah, NY Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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10 AM

85°
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 26%
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Partly sunny
alerts

Heat Advisory

2:56 AM Saturday - 9:00 PM Saturday

RealFeel Shade™91°

Heat Index93°

WindWNW 8 mph

Air QualityFair

Max UV Index4.8 (Moderate)

Wind Gusts13 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover33%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

88°
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 10%
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Mostly sunny
alerts

Heat Advisory

2:56 AM Saturday - 9:00 PM Saturday

RealFeel Shade™92°

Heat Index95°

WindWNW 9 mph

Air QualityFair

Max UV Index7.2 (High)

Wind Gusts16 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover16%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

90°
RealFeel® 101°
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 10%
Chevron down
Mostly sunny
alerts

Heat Advisory

2:56 AM Saturday - 9:00 PM Saturday

RealFeel Shade™92°

Heat Index96°

WindWNW 9 mph

Air QualityFair

Max UV Index9.5 (Very High)

Wind Gusts16 mph

Humidity53%

Indoor Humidity53% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

92°
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 14%
Chevron down
Mostly sunny
alerts

Heat Advisory

2:56 AM Saturday - 9:00 PM Saturday

RealFeel Shade™93°

Heat Index98°

WindWNW 10 mph

Air QualityFair

Max UV Index10.4 (Very High)

Wind Gusts16 mph

Humidity49%

Indoor Humidity49% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

94°
RealFeel® 103°
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 45%
Chevron down
Mostly sunny
alerts

Heat Advisory

2:56 AM Saturday - 9:00 PM Saturday

RealFeel Shade™95°

Heat Index99°

WindWNW 10 mph

Air QualityFair

Max UV Index9.5 (Very High)

Wind Gusts17 mph

Humidity46%

Indoor Humidity46% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

91°
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 49%
Chevron down
Mostly sunny
alerts

Heat Advisory

2:56 AM Saturday - 9:00 PM Saturday

RealFeel Shade™99°

Heat Index106°

WindWNW 10 mph

Air QualityFair

Max UV Index7.2 (High)

Wind Gusts17 mph

Humidity66%

Indoor Humidity66% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

87°
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 53%
Chevron down
Partly sunny w/ t-storms
alerts

Heat Advisory

2:56 AM Saturday - 9:00 PM Saturday

RealFeel Shade™94°

Heat Index103°

WindWNW 10 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts18 mph

Humidity79%

Indoor Humidity79% (Dangerously Humid)

Dew Point80° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Rain0.25 in

Visibility3 mi

Cloud Ceiling30000 ft

5 PM

83°
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 40%
Chevron down
Mostly sunny
alerts

Heat Advisory

2:56 AM Saturday - 9:00 PM Saturday

RealFeel Shade™89°

Heat Index91°

WindWNW 9 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts18 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

80°
RealFeel® 87°
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 34%
Chevron down
Mostly sunny
alerts

Heat Advisory

2:56 AM Saturday - 9:00 PM Saturday

RealFeel Shade™84°

Heat Index84°

WindW 9 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts16 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

81°
RealFeel® 87°
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 34%
Chevron down
Mostly sunny
alerts

Heat Advisory

2:56 AM Saturday - 9:00 PM Saturday

RealFeel Shade™86°

Heat Index86°

WindW 8 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts14 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

81°
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 34%
Chevron down
Cloudy
alerts

Heat Advisory

2:56 AM Saturday - 9:00 PM Saturday

RealFeel Shade™86°

Heat Index86°

WindWSW 7 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts9 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling16300 ft

9 PM

79°
RealFeel® 83°
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 34%
Chevron down
Cloudy

Heat Index80°

WindWSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling15700 ft

10 PM

77°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

WindSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling15200 ft

11 PM

75°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

WindSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity85%

Indoor Humidity85% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for Katonah

AccuWeather's hourly forecast for Katonah provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 85° with a RealFeel® of 97°, partly sunny with a 26% 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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