• Early AM

    Apr 21

    Lo 54°

    A shower or heavy thunderstorm

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

    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
    more
  • Thu

    Apr 23

    55°Lo 35°

    Cooler with clouds and sun

    Low ragweed pollen levels
    • Precip
      7%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      54%
  • 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
< Previous 8 hours Next 8 hours >
  Thu
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Partly Sunny
Temp (°F) 40° 38° 37° 37° 37° 39° 41° 44°
RealFeel® 34° 32° 30° 29° 29° 30° 32° 36°
Humidity 80% 83% 84% 84% 78% 69% 61% 52%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
16%
 
7%
 
7%
 
7%
 
7%
 
7%
 
5%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 8 W 8 W 9 W 9 W 9 W 12 W 13 W 14 W
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 20% 23% 23% 22% 20% 20% 20% 46%
Dew Point 34° 34° 33° 32° 31° 30° 29° 27°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Apr 23

more Historical Weather Data >
  Today Normal Record 4/23/2014
High 55° 64° 89° (1960) 60°
Low 35° 43° 30° (1988) 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 13:37 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:12 AM with 14:35 of moolight, then sets at 12:47 AM

Princeton Weather Report

Philly: Cooler Air to Sweep Away Warmth This Week

April 21, 2015; 12:04 AM ET

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

Thu. Dust & Dander

Thu. Wind Maps