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Princeton, NJ

84°F
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Princeton

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Princeton, NJ Weather
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3 PM

87°
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 17%
Chevron down
Cloudy
alerts

Flood Watch

2:00 PM Sunday - 8:00 PM Monday
alerts

Heat Advisory

8:00 AM Sunday - 8:00 PM Sunday
alerts

Air Quality Alert

8:57 AM Monday - 12:00 AM Monday

RealFeel Shade™91°

Heat Index93°

WindSE 7 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts7 mph

Humidity60%

Indoor Humidity60% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling16900 ft

4 PM

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 22%
Chevron down
Cloudy
alerts

Flood Watch

2:00 PM Sunday - 8:00 PM Monday
alerts

Heat Advisory

8:00 AM Sunday - 8:00 PM Sunday
alerts

Air Quality Alert

8:57 AM Monday - 12:00 AM Monday

RealFeel Shade™93°

Heat Index95°

WindESE 7 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts9 mph

Humidity81%

Indoor Humidity81% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling14600 ft

5 PM

81°
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 49%
Chevron down
Cloudy
alerts

Flood Watch

2:00 PM Sunday - 8:00 PM Monday
alerts

Heat Advisory

8:00 AM Sunday - 8:00 PM Sunday
alerts

Air Quality Alert

8:57 AM Monday - 12:00 AM Monday

RealFeel Shade™86°

Heat Index86°

WindESE 7 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts10 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling12300 ft

6 PM

78°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 56%
Chevron down
Thunderstorms
alerts

Flood Watch

2:00 PM Sunday - 8:00 PM Monday
alerts

Heat Advisory

8:00 AM Sunday - 8:00 PM Sunday
alerts

Air Quality Alert

8:57 AM Monday - 12:00 AM Monday

RealFeel Shade™80°

Heat Index80°

WindE 7 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts9 mph

Humidity85%

Indoor Humidity85% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.31 in

Visibility2 mi

Cloud Ceiling1900 ft

7 PM

78°
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 49%
Chevron down
Cloudy
alerts

Flood Watch

2:00 PM Sunday - 8:00 PM Monday
alerts

Heat Advisory

8:00 AM Sunday - 8:00 PM Sunday
alerts

Air Quality Alert

8:57 AM Monday - 12:00 AM Monday

RealFeel Shade™86°

Heat Index80°

WindE 7 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts9 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling13800 ft

8 PM

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 34%
Chevron down
Cloudy
alerts

Flood Watch

2:00 PM Sunday - 8:00 PM Monday
alerts

Air Quality Alert

8:57 AM Monday - 12:00 AM Monday

RealFeel Shade™84°

WindE 7 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts8 mph

Humidity92%

Indoor Humidity92% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling14700 ft

9 PM

74°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy
alerts

Flood Watch

2:00 PM Sunday - 8:00 PM Monday
alerts

Air Quality Alert

8:57 AM Monday - 12:00 AM Monday

WindE 7 mph

Air QualityFair

Wind Gusts7 mph

Humidity92%

Indoor Humidity92% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling10100 ft

10 PM

73°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy
alerts

Flood Watch

2:00 PM Sunday - 8:00 PM Monday
alerts

Air Quality Alert

8:57 AM Monday - 12:00 AM Monday

WindE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity95%

Indoor Humidity95% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling5600 ft

11 PM

73°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 75%
Chevron down
Thunderstorms
alerts

Flood Watch

2:00 PM Sunday - 8:00 PM Monday
alerts

Air Quality Alert

8:57 AM Monday - 12:00 AM Monday

WindE 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity92%

Indoor Humidity92% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.44 in

Visibility2 mi

Cloud Ceiling1100 ft

Hourly Weather Forecast for Princeton

AccuWeather's hourly forecast for Princeton provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 87° with a RealFeel® of 95°, cloudy with a 17% 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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