• Tonight

    Aug 31

    Lo 69°

    Mostly cloudy with a t-storm

    Bicycling Weather
    • Precip
      7%
    • Hours of Precip
      1.5
    • Wind
      Gust
      10 mph
    more
  • Thu

    Sep 1

    81°Lo 61°

    A shower

    Good for biking
    • Precip
      55%
    • Hours of Precip
      1
    • Wind
      Gust
      8 mph
    more
  • Fri

    Sep 2

    80°Lo 62°

    Partly sunny and less humid

    Excellent for biking
    • Precip
      9%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
  • Sat

    Sep 3

    75°Lo 63°

    Becoming cloudy

    Excellent for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
  • Sun

    Sep 4

    71°Lo 64°

    Some wind and rain possible

    Good for biking
    • Precip
      30%
    • Hours of Precip
      0
    • Wind
      Gust
      32 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
5pm
6pm 7pm 8pm 9pm 10pm 11pm Sat
12am
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Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 79° 78° 75° 73° 70° 68° 68° 66°
RealFeel® 79° 76° 73° 70° 67° 65° 65° 63°
Humidity 46% 49% 55% 57% 62% 69% 69% 73%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
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Snow
 
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Ice
 
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  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 7 NNW 7 NNW 6 NNW 6 N 6 N 7 NNE 7 NNE 7 NNE
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 10% 12% 17% 23% 27%
Dew Point 57° 57° 58° 57° 56° 57° 57° 57°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2015
High 80° 81° 100° (1953) 90°
Low 62° 61° 45° (1991) 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:28 AM with 13:00 of sunlight, then sets at 7:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:36 AM with 12:38 of moolight, then sets at 8:14 PM

Princeton Weather Report

Warm fall may jeopardize foliage displays in northeastern US

August 31, 2016; 4:49 PM ET

Though the summer season is winding down, forecasters are predicting a warm start to fall across the Northeast — a weather pattern that could spell bad news for fall foliage lovers. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.