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Princeton, NJ Weather

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May 18 - June 1

Mon 5/18

Very hot and more humid with sunshine

Heat Advisory

12:00 PM Monday - 8:00 PM Wednesday

Air Quality Alert

9:58 AM Monday - 10:00 AM Tuesday

RealFeel®103°

RealFeel Shade™96°

Max UV Index10.0 (Very High)

WindSSW 7 mph

Tue 5/19

Mostly sunny; he temperature breaking the record of 96 last reached in 1962; danger of dehydration and heatstroke if outside for extended periods of time

Heat Advisory

12:00 PM Monday - 8:00 PM Wednesday

Air Quality Alert

9:58 AM Monday - 10:00 AM Tuesday

RealFeel®101°

RealFeel Shade™95°

Max UV Index10.0 (Very High)

WindWSW 9 mph

Wed 5/20

Sun giving way to clouds with the temperature breaking the record of 93 set in 1996; a p.m. t-storm; thunderstorms can bring localized damaging wind gusts

Heat Advisory

12:00 PM Monday - 8:00 PM Wednesday

RealFeel®98°

RealFeel Shade™91°

Max UV Index10.0 (Very High)

WindW 12 mph

Hours of Precipitation0.5

Hours of Rain0.5

Thu 5/21

Mostly cloudy, cooler and less humid

RealFeel®73°

RealFeel Shade™67°

Max UV Index3.0 (Moderate)

WindNNE 5 mph

Fri 5/22

Cool with clouds followed by a brightening sky

RealFeel®64°

RealFeel Shade™59°

Max UV Index4.0 (Moderate)

WindESE 7 mph

Sat 5/23

Considerable cloudiness and cool with a couple of showers; outdoor plans can be impacted

RealFeel®51°

RealFeel Shade™51°

Max UV Index2.0 (Low)

WindE 8 mph

Hours of Precipitation2

Hours of Rain2

Sun 5/24

Cloudy with a couple of showers possible

RealFeel®65°

RealFeel Shade™64°

Max UV Index3.0 (Moderate)

WindENE 8 mph

Mon 5/25

Times of clouds and sun with a couple of showers possible

RealFeel®79°

RealFeel Shade™75°

Max UV Index4.0 (Moderate)

WindE 2 mph

Tue 5/26

Showers in the morning; otherwise, cloudy

RealFeel®76°

RealFeel Shade™76°

Max UV Index2.0 (Low)

WindSE 4 mph

Hours of Precipitation2

Hours of Rain2

Wed 5/27

A morning shower in spots; otherwise, after a cloudy start, sun returns

RealFeel®77°

RealFeel Shade™70°

Max UV Index10.0 (Very High)

WindNNW 7 mph

Hours of Precipitation1

Hours of Rain1

Thu 5/28

Clouds and sun

RealFeel®80°

RealFeel Shade™75°

Max UV Index5.0 (Moderate)

WindS 6 mph

Fri 5/29

Mostly cloudy

RealFeel®77°

RealFeel Shade™76°

Max UV Index3.0 (Moderate)

WindS 6 mph

Sat 5/30

Mostly cloudy

RealFeel®77°

RealFeel Shade™75°

Max UV Index3.0 (Moderate)

WindS 7 mph

Sun 5/31

Partial sunshine

RealFeel®86°

RealFeel Shade™80°

Max UV Index10.0 (Very High)

WindNW 7 mph

Mon 6/1

Cloudy and less humid

RealFeel®78°

RealFeel Shade™77°

Max UV Index3.0 (Moderate)

WindNE 5 mph

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