• Today

    Aug 30

    89°Lo 67°

    Partly sunny and very warm

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

    Aug 31

    89°Lo 67°

    Partly sunny and very warm

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

    Sep 1

    91°Lo 67°

    Hot with plenty of sun

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

    Sep 2

    91°Lo 68°

    Partly sunny, hot and humid

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

    Sep 3

    91°Lo 68°

    Partly sunny, a t-storm; hot

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
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  Mon
1am
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  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Sunny
Temp (°F) 72° 71° 70° 70° 69° 67° 70° 72°
RealFeel® 72° 71° 69° 69° 68° 66° 71° 73°
Humidity 79% 81% 80% 80% 82% 88% 87% 82%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
1%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 6 SW 6 SW 6 SW 6 SW 5 WSW 5 WSW 5 WSW 5 WSW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 94% 92% 78% 76% 76% 76% 76% 37%
Dew Point 65° 65° 64° 63° 64° 63° 66° 66°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2014
High 89° 81° 99° (1953) 89°
Low 67° 62° 46° (1912) 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 13:07 of sunlight, then sets at 7:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:47 PM with 12:58 of moolight, then sets at 9:45 AM

Princeton Weather Report

Philly: Sizzling Heat Wave to Start September

August 30, 2015; 1:16 PM ET

A push of summery heat and humidity will arrive in Philadelphia this week as September begins more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps