• Today

    Jul 30

    85°Lo 72°

    Heavy afternoon thunderstorms

    Fair for running
    • Precip
      65%
    • Hours of Precip
      4.5
    • Wind
      Gust
      6 mph
    more
  • Sun

    Jul 31

    81°Lo 70°

    Couple of thunderstorms

    Poor for running
    • Precip
      62%
    • Hours of Precip
      3.5
    • Wind
      Gust
      9 mph
  • Mon

    Aug 1

    85°Lo 67°

    Showers and a heavier t-storm

    Fair for running
    • Precip
      65%
    • Hours of Precip
      4
    • Wind
      Gust
      6 mph
    more
  • Tue

    Aug 2

    81°Lo 65°

    Sun and some clouds

    Good for running
    • Precip
      10%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
  • Wed

    Aug 3

    82°Lo 64°

    Sunshine and some clouds

    Very Good for running
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Cloudy
Cloudy
T-storms
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 72° 74° 75° 76° 77° 79° 80° 80°
RealFeel® 75° 78° 76° 82° 85° 89° 92° 92°
Humidity 96% 91% 88% 84% 82% 83% 82% 81%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
43%
 
47%
 
51%
 
47%
 
32%
 
32%
 
36%
 
44%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 6 ESE 6 ESE 7 ESE 7 SE 7 SE 7 SE 6 SE 6 SE
UV Index 0 0 1 2 3 3 4 4
Cloud Cover 92% 90% 89% 89% 90% 90% 90% 90%
Dew Point 70° 71° 71° 71° 72° 73° 74° 74°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2015
High 81° 85° 99° (1954) 90°
Low 70° 66° 56° (2001) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 14:17 of sunlight, then sets at 8:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:42 AM with 14:42 of moolight, then sets at 6:24 PM

Princeton Weather Report

Soaking storms to elevate flash flood threat in northeastern US this weekend

July 30, 2016; 7:21 AM ET

Rounds of drenching showers and heavy thunderstorms will heighten the risk of flash flooding across the northeastern United States through the final weekend of July. more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.