• Today

    Sep 18

    75°Lo 52°

    Partly sunny

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

    Sep 19

    69°Lo 52°

    Partly sunny and not as warm

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

    Sep 20

    76°Lo 56°

    Clearing

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

    Sep 21

    81°Lo 59°

    Warm with sun and some clouds

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      41%
    more
  • Mon

    Sep 22

    71°Lo 49°

    Chance of a shower

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      70%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Clear
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 52° 53° 54° 57° 60° 63° 65° 66°
RealFeel® 47° 48° 50° 54° 59° 64° 67° 69°
Humidity 80% 79% 75% 68% 61% 55% 52% 50%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
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%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 6 NNE 7 NNE 7 NE 8 NE 8 NE 8 ENE 8 ENE 8 ENE
UV Index 0 0 0 1 3 4 5 5
Cloud Cover 5% 8% 26% 26% 26% 26% 26% 26%
Dew Point 46° 47° 46° 47° 46° 46° 47° 47°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 69° 75° 93° (1983) 74°
Low 52° 55° 41° (1929) 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:43 AM with 12:18 of sunlight, then sets at 7:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:26 AM with 14:02 of moolight, then sets at 4:28 PM

Top Story

Princeton Weather Report

Philly: Remainder of Week to Be Dry, Cool

September 18, 2014; 7:19 AM ET

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

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps