• Tonight

    Aug 31

    Lo 66°

    Patchy clouds and humid

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      96°
    • Wind
      Speed
      6 mph
    more
  • Tue

    Sep 1

    92°Lo 66°

    Sunny, hot and humid

    Poor for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      98°
    • Wind
      Speed
      5 mph
    more
  • Wed

    Sep 2

    94°Lo 67°

    Mostly sunny, hot and humid

    Fair for home energy
    • Avg
      RealFeel
      84°
    • Hi
      RealFeel
      99°
    • Wind
      Speed
      5 mph
    more
  • Thu

    Sep 3

    93°Lo 67°

    A p.m. t-storm in spots

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

    Sep 4

    88°Lo 63°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      93°
    • Wind
      Speed
      7 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Partly Sunny
Temp (°F) 76° 79° 83° 86° 88° 90° 91° 93°
RealFeel® 81° 86° 92° 95° 94° 97° 95° 95°
Humidity 72% 64% 56% 49% 45% 42% 39% 37%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
5%
 
6%
 
7%
 
7%
 
9%
 
11%
 
11%
 
15%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 2 N 4 N 4 N 5 N 7 NW 5 NW 6 NW 7 NW
UV Index 2 3 5 6 6 6 5 3
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 30%
Dew Point 66° 66° 66° 65° 65° 64° 63° 63°
Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 93° 80° 97° (1980) 83°
Low 67° 60° 45° (1976) 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:33 AM with 13:00 of sunlight, then sets at 7:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:55 PM with 14:19 of moolight, then sets at 1:14 PM

Mohnton Weather Report

Philadelphia: Sizzling Heat Wave to Start September

August 31, 2015; 4:36 PM ET

July-like heat and humidity will continue around Philadelphia for the first week of September. 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.

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index