• Today

    Sep 21

    83°Lo 57°

    An afternoon thunderstorm

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

    Sep 22

    68°Lo 44°

    Partly sunny; breezy, cooler

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

    Sep 23

    72°Lo 50°

    Mostly sunny and nice

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

    Sep 24

    73°Lo 52°

    Nice with plenty of sunshine

    Moderate ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      0%
    more
  • Thu

    Sep 25

    73°Lo 51°

    Mostly sunny and nice

    Ragweed Pollen Weather
    • Precip
      9%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      11%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
4pm
5pm 6pm 7pm 8pm 9pm 10pm 11pm
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Forecast
T-storms
Mostly Sunny
Mostly Sunny
Partly Sunny
Cloudy
Cloudy
T-storms
Mostly Clear
Temp (°F) 74° 83° 79° 78° 75° 72° 71° 69°
RealFeel® 76° 83° 77° 76° 72° 69° 67° 65°
Humidity 83% 58% 64% 63% 66% 73% 77% 81%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
51%
 
19%
 
15%
 
19%
 
43%
 
47%
 
51%
 
40%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (mph) 6 SW 6 WSW 6 WSW 5 WSW 4 WSW 5 WSW 5 W 5 W
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 45% 26% 26% 45% 65% 56% 34% 12%
Dew Point 69° 67° 66° 65° 63° 63° 63° 62°
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 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 83° 74° N/A 77°
Low 57° 53° N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:50 AM with 12:13 of sunlight, then sets at 7:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:22 AM with 13:16 of moolight, then sets at 5:38 PM

Top Story

Mohnton Weather Report

Philly: September Temperature Roller Coaster to Continue

September 21, 2014; 4:41 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Philadelphia. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps