• Tonight

    Sep 20

    Lo 64°

    Partly cloudy and mild

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      77°
  • Sun

    Sep 21

    82°Lo 58°

    A t-storm in the afternoon

    Very Good for lawn mowing
    • Hours of Precip
      1.5
    • Precip
      57%
    • Hi
      RealFeel
      86°
    more
  • Mon

    Sep 22

    70°Lo 45°

    Mostly sunny and not as warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      10%
    • Hi
      RealFeel
      68°
    more
  • Tue

    Sep 23

    70°Lo 50°

    Sunny and beautiful

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      71°
    more
  • Wed

    Sep 24

    72°Lo 51°

    Plenty of sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      75°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
8pm
9pm 10pm 11pm Sun
12am
1am 2am 3am
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Clear
Mostly Clear
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 68° 67° 67° 66° 65° 65° 64° 64°
RealFeel® 65° 64° 64° 64° 63° 65° 64° 64°
Humidity 82% 84% 87% 89% 92% 93% 93% 93%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
 
4%
 
4%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 4 E 4 ESE 4 ESE 3 ESE 3 ESE 2 SE 2 SE 1 ESE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 5% 17% 30% 34% 38% 42% 45% 45%
Dew Point 62° 62° 63° 63° 63° 63° 62° 62°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 78° 74° N/A 78°
Low 64° 53° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:47 AM with 12:15 of sunlight, then sets at 7:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:24 AM with 13:40 of moolight, then sets at 5:04 PM

Top Story

Norristown Weather Report

Philly: September Temperature Roller Coaster to Continue

September 20, 2014; 2:01 AM ET

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

Current Drought Status

Current Soil Conditions

Sat. Overnight Freeze

Sat. Degree Days

Sat. Evapotranspiration