• Today

    Jul 31

    88°Lo 66°

    Mostly sunny and very warm

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

    Aug 1

    88°Lo 62°

    Warm with sun, some clouds

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

    Aug 2

    88°Lo 70°

    Mostly sunny

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

    Aug 3

    92°Lo 69°

    Partly sunny and hot

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

    Aug 4

    86°Lo 65°

    A thunderstorm in spots

    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 >
  Fri
9pm
10pm 11pm Sat
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Temp (°F) 78° 76° 74° 72° 72° 71° 69° 68°
RealFeel® 76° 74° 72° 70° 70° 69° 67° 66°
Humidity 52% 61% 65% 66% 70% 72% 71% 72%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
0%
 
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0%
 
1%
 
1%
 
1%
Snow
 
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Ice
 
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  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 5 W 5 WSW 5 SW 5 SW 5 SW 5 SW 5 SW 5 SW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 2% 5% 8% 9% 9%
Dew Point 60° 61° 61° 60° 61° 61° 60° 59°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 88° 85° 99° (1954) 84°
Low 66° 66° 56° (2001) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 14:20 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:15 PM with 11:04 of moolight, then sets at 7:19 AM

Princeton Weather Report

Philadelphia: Hot, Dry Weather to Last Through Weekend

July 31, 2015; 4:08 PM ET

High pressure will be responsible for dry conditions and sunny skies in the forecast for the next several days. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps