• Today

    Dec 20

    36°Lo 27°

    Cloudy

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      39°
    more
  • Sun

    Dec 21

    41°Lo 27°

    Partly sunny

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      44°
  • Mon

    Dec 22

    43°Lo 37°

    Considerable cloudiness

    Poor for lawn mowing
    • Hours of Precip
      3
    • Precip
      22%
    • Hi
      RealFeel
      36°
    more
  • Tue

    Dec 23

    47°Lo 44°

    Mostly cloudy and damp

    Poor for lawn mowing
    • Hours of Precip
      7
    • Precip
      49%
    • Hi
      RealFeel
      40°
    more
  • Wed

    Dec 24

    58°Lo 41°

    Windy with rain

    Poor for lawn mowing
    • Hours of Precip
      8
    • Precip
      75%
    • Hi
      RealFeel
      46°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 40° 38° 37° 36° 34° 33° 31° 30°
RealFeel® 41° 39° 37° 36° 35° 34° 32° 31°
Humidity 46% 48% 52% 56% 59% 62% 65% 67%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
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0%
Snow
 
0%
 
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Ice
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 2 NW 2 NW 2 NW 2 NNE 1 NNW 2 NW 2 NW 2 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 20° 21° 21° 21° 21° 21° 21° 21°
Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 41° 40° 61° (2011) 59°
Low 27° 25° (1942) 34°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:23 AM with 9:18 of sunlight, then sets at 4:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:36 AM with 10:10 of moolight, then sets at 4:46 PM

Mohnton Weather Report

Philly: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 20, 2014; 1:05 PM ET

Following benign weather this weekend, a major storm will affect Philadelphia, much of the East and Midwest on Christmas Eve. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Sun. Overnight Freeze

Sun. Degree Days

Sun. Evapotranspiration