• Tonight

    Apr 20

    Lo 54°

    Showers and thunderstorms

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Tue

    Apr 21

    65°Lo 44°

    Partly sunny, breezy and nice

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Wed

    Apr 22

    62°Lo 37°

    Showers late in the afternoon

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
  • Thu

    Apr 23

    55°Lo 35°

    Cooler with clouds and sun

    Low ragweed pollen levels
    • Precip
      7%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      54%
    more
  • Fri

    Apr 24

    54°Lo 33°

    Breezy with periods of sun

    Ragweed Pollen Weather
    • Precip
      13%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      50%
    more
Next Previous
Hi 62° RealFeel® 63° Precipitation 75%

Day

N

E

S

W

  • W 14 mph
  • Gusts: 25 mph

Mainly cloudy and breezy; showers late in the afternoon

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 37° RealFeel® 29° Precipitation 25%

Night

N

E

S

W

  • W 9 mph
  • Gusts: 17 mph

Cold with patchy clouds

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 22

more Historical Weather Data >
  Today Normal Record 4/22/2014
High 62° 64° 89° (1985) 75°
Low 37° 43° 30° (1922) 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:35 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:18 AM with 14:40 of moolight, then sets at 11:58 PM

Princeton Weather Report

Philly: Cooler Air to Sweep Away Warmth This Week

April 20, 2015; 3:47 PM ET

Cooler air will push into the Philadelphia area during the middle and latter part of the week. more >

Wed. Dust & Dander

Wed. Wind Maps