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Katonah, NY

98°F
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Katonah

New York

98°
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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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6 PM

94°
RealFeel® 98°
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 37%
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Partly sunny
alerts

Severe Thunderstorm Watch

5:16 PM Friday - 11:00 PM Friday
alerts

Extreme Heat Warning

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

Air Quality Alert

3:17 AM Friday - 11:00 PM Friday

RealFeel Shade™96°

Heat Index100°

WindW 9 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts17 mph

Humidity47%

Indoor Humidity47% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover38%

Visibility10 mi

Cloud Ceiling33300 ft

7 PM

88°
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 cloudy w/ t-storms
alerts

Severe Thunderstorm Watch

5:16 PM Friday - 11:00 PM Friday
alerts

Extreme Heat Warning

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

Air Quality Alert

3:17 AM Friday - 11:00 PM Friday

RealFeel Shade™94°

Heat Index96°

WindW 7 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts13 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover59%

Visibility5 mi

Cloud Ceiling10000 ft

8 PM

87°
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 43%
Chevron down
Intermittent clouds
alerts

Severe Thunderstorm Watch

5:16 PM Friday - 11:00 PM Friday
alerts

Extreme Heat Warning

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

Air Quality Alert

3:17 AM Friday - 11:00 PM Friday

RealFeel Shade™92°

Heat Index94°

WindWNW 8 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts9 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling7000 ft

9 PM

86°
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 51%
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Thunderstorms
alerts

Severe Thunderstorm Watch

5:16 PM Friday - 11:00 PM Friday
alerts

Extreme Heat Warning

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

Air Quality Alert

3:17 AM Friday - 11:00 PM Friday

Heat Index92°

WindW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover78%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

10 PM

83°
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
Intermittent clouds
alerts

Severe Thunderstorm Watch

5:16 PM Friday - 11:00 PM Friday
alerts

Extreme Heat Warning

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

Air Quality Alert

3:17 AM Friday - 11:00 PM Friday

Heat Index89°

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover74%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

81°
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 34%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

12:00 PM Wednesday - 9:00 PM Saturday

Heat Index85°

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 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 94° with a RealFeel® of 98°, partly sunny with a 37% 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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