• Tonight

    Sep 1

    Lo 66°

    Clear and warm; fog late

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      99°
    • Wind
      Speed
      2 mph
  • Wed

    Sep 2

    92°Lo 67°

    Fog in the a.m.; partly sunny

    Poor for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      98°
    • Wind
      Speed
      4 mph
    more
  • Thu

    Sep 3

    93°Lo 67°

    Sun mixing with clouds; hot

    Fair for home energy
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      97°
    • Wind
      Speed
      6 mph
    more
  • Fri

    Sep 4

    84°Lo 61°

    Some sun, a t-storm; humid

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      8 mph
    more
  • Sat

    Sep 5

    85°Lo 57°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      88°
    • Wind
      Speed
      6 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
1pm
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Forecast
Mostly Sunny
Mostly Sunny
Sunny
Mostly Sunny
Mostly Sunny
Sunny
Mostly Sunny
Clear
Temp (°F) 86° 88° 87° 88° 89° 87° 84° 81°
RealFeel® 99° 98° 94° 92° 91° 87° 84° 80°
Humidity 49% 40% 43% 43% 42% 44% 52% 56%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
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1%
Snow
 
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Ice
 
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 0 0 4 N 5 N 5 NNW 6 WNW 5 W 5 WSW
UV Index 6 6 5 3 2 1 0 0
Cloud Cover 10% 10% 0% 10% 10% 0% 10% 0%
Dew Point 65° 61° 62° 63° 63° 63° 65° 64°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 89° 81° 98° (2010) 88°
Low 66° 60° 44° (1976) 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 13:05 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:32 PM with 13:29 of moolight, then sets at 11:01 AM

Mohnton Weather Report

Philadelphia: July-like Heat to Continue Through Labor Day

September 1, 2015; 5:32 PM ET

The vast majority of the time through the Labor Day weekend will feature sunshine with unseasonably hot afternoons around Philadelphia. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Tue. Home Energy Efficiency

Tue. Degree Days

Tue. UV Index