• Tonight

    Sep 17

    Lo 49°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Thu

    Sep 18

    75°Lo 52°

    Sunny to partly cloudy

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

    Sep 19

    69°Lo 55°

    Partly sunny and nice

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

    Sep 20

    76°Lo 59°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      12%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      29%
    more
  • Sun

    Sep 21

    80°Lo 60°

    Warm with sun and some clouds

    Ragweed Pollen Weather
    • Precip
      19%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      44%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
12pm
1pm 2pm 3pm 4pm 5pm 6pm 7pm
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Partly Cloudy
Partly Sunny
Partly Sunny
Mostly Sunny
Temp (°F) 68° 70° 71° 72° 73° 72° 70° 67°
RealFeel® 74° 75° 76° 75° 74° 71° 67° 63°
Humidity 45% 43% 42% 40% 40% 41% 46% 53%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
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%
   
  12pm 1pm 2pm 3pm 4pm 5pm 6pm 7pm
Wind (mph) 4 NW 4 N 4 NW 4 WNW 4 NW 4 W 5 WNW 3 NNW
UV Index 5 5 5 4 2 1 0 0
Cloud Cover 33% 48% 34% 28% 51% 32% 33% 26%
Dew Point 46° 47° 47° 47° 47° 48° 48° 49°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 73° 76° 93° (1991) 65°
Low 49° 56° 38° (1986) 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:24 of sunlight, then sets at 7:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:38 AM with 14:34 of moolight, then sets at 3:12 PM

Top Story

Princeton 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