• Fri

    Sep 2

    79°Lo 56°

    Partly sunny and beautiful

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Sep 3

    80°Lo 55°

    Partly sunny and comfortable

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Sep 4

    84°Lo 60°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Mon

    Sep 5

    87°Lo 63°

    Clouds limiting sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Sep 6

    90°Lo 66°

    Times of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 84° RealFeel® 85° Precipitation 17%

Day

N

E

S

W

  • SSW 6 mph
  • Gusts: 20 mph

Partly sunny

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 5%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 60° RealFeel® 60° Precipitation 6%

Night

N

E

S

W

  • SSW 6 mph
  • Gusts: 20 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • 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 4

more Historical Weather Data >
  Today Normal Record 9/4/2015
High 84° 80° 95° (1929) 86°
Low 60° 61° 47° (1997) 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 12:54 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:31 AM with 11:43 of moolight, then sets at 9:14 PM

Princeton Weather Report

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

August 29, 2016; 2:28 AM ET

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