• Today

    Sep 17

    72°Lo 51°

    Sunny and nice

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

    Sep 18

    73°Lo 51°

    Mostly sunny and pleasant

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

    Sep 19

    70°Lo 55°

    Mostly sunny and pleasant

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

    Sep 20

    77°Lo 61°

    Clearing

    Moderate ragweed pollen levels
    • Precip
      10%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      70%
    more
  • Sun

    Sep 21

    80°Lo 61°

    Warm with partial sunshine

    Ragweed Pollen Weather
    • Precip
      19%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      45%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 52° 51° 53° 56° 60° 63° 67° 70°
RealFeel® 52° 51° 53° 56° 62° 67° 71° 76°
Humidity 91% 93% 92% 86% 78% 69% 62% 57%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
2%
 
7%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 2 NW 2 NW 2 NW 2 NNW 2 NNW 3 NNW 4 NNW 4 NNW
UV Index 0 0 0 0 1 3 4 5
Cloud Cover 10% 11% 11% 10% 8% 7% 10% 10%
Dew Point 49° 49° 51° 52° 53° 53° 54° 54°
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 Middle Grid line 50 F

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 73° 77° 90° (1915) 70°
Low 51° 57° 40° (1990) 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:46 AM with 12:21 of sunlight, then sets at 7:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:37 AM with 14:18 of moolight, then sets at 3:55 PM

Top Story

West Chester 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 >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps