• Fri

    Sep 2

    78°Lo 59°

    Mostly sunny

    Beneficial weather for colds
    • Avg
      Temp
      69°
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      82°
  • Sat

    Sep 3

    78°Lo 57°

    Partly sunny and comfortable

    Beneficial weather for colds
    • Avg
      Temp
      68°
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      82°
    more
  • Sun

    Sep 4

    84°Lo 60°

    Sunny to partly cloudy

    Beneficial weather for colds
    • Avg
      Temp
      72°
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      86°
    more
  • Mon

    Sep 5

    87°Lo 63°

    Clouds limiting sun

    Beneficial weather for colds
    • Avg
      Temp
      75°
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      87°
    more
  • Tue

    Sep 6

    90°Lo 66°

    Times of clouds and sun

    Beneficial weather for colds
    • Avg
      Temp
      78°
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      91°
    more
Next Previous
Hi 78° RealFeel® 82° Precipitation 22%

Day

N

E

S

W

  • NE 7 mph
  • Gusts: 10 mph

Mostly sunny

  • Max UV Index: 6 (High)
  • Thunderstorms: 19%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 59° RealFeel® 59° Precipitation 11%

Night

N

E

S

W

  • NNE 5 mph
  • Gusts: 7 mph

Clear to partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 11%
  • 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 2

more Historical Weather Data >
  Today Normal Record 9/2/2015
High 78° 81° 100° (1953) 90°
Low 59° 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

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

August 29, 2016; 4:28 AM ET

Brief relief from heat and humidity will arrive in the northeastern United States at the start of September. more >

Flu Season is Just Around the Corner

Sep 11, 2012; 2:00 PM ET The peak of flu season may not be until January, but preparations should begin now. Adrienne Veilleux has more.

Fri. Cold & Flu

Fri. UV Index