• Sun

    Sep 4

    73°Lo 63°

    Partly sunny and pleasant

    Excellent for biking
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Mon

    Sep 5

    87°Lo 62°

    Brilliant sunshine

    Excellent for biking
    • Precip
      8%
    • Hours of Precip
      0
    • Wind
      Gust
      13 mph
    more
  • Tue

    Sep 6

    87°Lo 65°

    Sunny

    Excellent for biking
    • Precip
      13%
    • Hours of Precip
      0
    • Wind
      Gust
      20 mph
    more
  • Wed

    Sep 7

    88°Lo 64°

    Partly sunny

    Excellent for biking
    • Precip
      3%
    • Hours of Precip
      0
    • Wind
      Gust
      24 mph
  • Thu

    Sep 8

    89°Lo 65°

    Cloudy, very warm and humid

    Excellent for biking
    • Precip
      25%
    • Hours of Precip
      7
    • Wind
      Gust
      22 mph
    more
Next Previous
Hi 88° RealFeel® 89° Precipitation 3%

Day

N

E

S

W

  • ENE 8 mph
  • Gusts: 24 mph

Partly sunny

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 64° RealFeel® 62° Precipitation 18%

Night

N

E

S

W

  • ENE 6 mph
  • Gusts: 16 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 7

more Historical Weather Data >
  Today Normal Record 9/7/2015
High 88° 79° 94° (1912) 90°
Low 64° 60° 41° (1984) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 12:48 of sunlight, then sets at 7:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:18 PM with 10:35 of moolight, then sets at 10:53 PM

Princeton Weather Report

September to start on cooler, less humid note in northeastern US

August 30, 2016; 11:24 AM ET

Brief relief from heat and humidity will arrive in the northeastern United States during the first days of September. 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.