• Today

    Sep 2

    90°Lo 67°

    Dense fog will lift

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

    Sep 3

    91°Lo 70°

    Sun, some clouds; hot, humid

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

    Sep 4

    82°Lo 62°

    Partly sunny and not as hot

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

    Sep 5

    80°Lo 56°

    Nice with plenty of sunshine

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

    Sep 6

    86°Lo 60°

    Plenty of sunshine

    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 >
  Wed
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Fog
Fog
Fog
Fog
Fog
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 67° 68° 70° 75° 79° 83° 86° 87°
RealFeel® 69° 69° 75° 81° 87° 93° 97° 97°
Humidity 95% 92% 87% 79% 66% 58% 54% 48%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
47%
 
29%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 1 N 1 NNE 1 N 1 NNW 2 NW 2 WSW 4 WSW 4 WSW
UV Index 0 0 1 2 3 5 6 6
Cloud Cover 74% 38% 39% 26% 26% 26% 26% 26%
Dew Point 65° 66° 66° 68° 67° 67° 68° 66°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2014
High 90° 81° 100° (1953) 91°
Low 67° 61° 45° (1991) 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 13:02 of sunlight, then sets at 7:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:07 PM with 13:57 of moolight, then sets at 12:04 PM

Princeton Weather Report

Philadelphia: July-like Heat to Continue Through Labor Day

September 2, 2015; 4:56 AM ET

The vast majority of the time through the Labor Day weekend will feature sunshine with unseasonably hot afternoons around Philadelphia. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps