• Tonight

    Sep 3

    Lo 70°

    A shower or t-storm in spots

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Fri

    Sep 4

    83°Lo 63°

    A shower or t-storm in spots

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

    Sep 5

    81°Lo 57°

    Sunny; pleasant, less humid

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

    Sep 6

    84°Lo 60°

    Sunshine

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

    Sep 7

    87°Lo 67°

    Sunny, very warm and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Clear
Mostly Clear
Mostly Clear
Partly Cloudy
Partly Cloudy
Mostly Sunny
Mostly Sunny
Partly Sunny
Temp (°F) 70° 69° 68° 69° 66° 69° 72° 76°
RealFeel® 71° 69° 68° 69° 66° 69° 75° 83°
Humidity 83% 82% 81% 83% 89% 80% 91% 80%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
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Snow
 
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Ice
 
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  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 2 S 2 WNW 2 WNW 2 WNW 2 NNW 2 NW 5 NNW 4 NNW
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 6% 15% 25% 39% 36% 27% 26% 38%
Dew Point 65° 63° 62° 63° 63° 63° 69° 69°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 92° 80° 97° (1953) 84°
Low 70° 61° 46° (1991) 65°

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 10:50 PM with 14:19 of moolight, then sets at 1:09 PM

Princeton Weather Report

Philadelphia: Heat to Rebuild Labor Day Weekend After Cooldown

September 3, 2015; 2:40 PM ET

A backdoor front will trim temperatures, haze and humidity around Philadelphia early this weekend before all three conditions build by early next week. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps