• Tonight

    Sep 17

    Lo 48°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Thu

    Sep 18

    75°Lo 47°

    Mostly sunny and nice

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Sep 19

    70°Lo 51°

    Mostly sunny and nice

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Sep 20

    75°Lo 60°

    Clouds and sun

    Moderate ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      50%
    more
  • Sun

    Sep 21

    82°Lo 59°

    Warmer with partial sunshine

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      45%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Cloudy
Partly Sunny
Partly Sunny
Mostly Cloudy
Temp (°F) 57° 62° 67° 69° 74° 70° 72° 71°
RealFeel® 59° 68° 71° 74° 77° 75° 74° 70°
Humidity 83% 67% 58% 49% 38% 40% 36% 39%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 3 N 0 3 N 4 NE 4 N 4 NNW 5 N 5 W
UV Index 1 3 4 5 3 5 4 2
Cloud Cover 11% 11% 11% 25% 75% 35% 35% 75%
Dew Point 52° 51° 52° 49° 47° 45° 44° 45°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 74° 75° N/A 66°
Low 48° 55° N/A 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:46 AM with 12:24 of sunlight, then sets at 7:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:44 AM with 14:34 of moolight, then sets at 3:18 PM

Top Story

Reading Weather Report

Philly: Remainder of Week to Be Dry, Cool

September 17, 2014; 7:01 AM ET

Rainfall will be scarce around Philadelphia this week, but cool air will be plentiful. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps