• Early AM

    Aug 29

    Lo 54°

    Clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      1 mph
    more
  • Today

    Aug 29

    86°Lo 61°

    Sunny to partly cloudy

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      4 mph
    more
  • Sun

    Aug 30

    88°Lo 63°

    Partly sunny and more humid

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      93°
    • Wind
      Speed
      4 mph
  • Mon

    Aug 31

    90°Lo 66°

    Very warm with some sun

    Poor for home energy
    • Avg
      RealFeel
      80°
    • Hi
      RealFeel
      95°
    • Wind
      Speed
      4 mph
    more
  • Tue

    Sep 1

    91°Lo 66°

    Mostly sunny, hot and humid

    Poor for home energy
    • Avg
      RealFeel
      81°
    • Hi
      RealFeel
      97°
    • Wind
      Speed
      2 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
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 Cloudy
Temp (°F) 71° 75° 80° 83° 85° 86° 87° 88°
RealFeel® 75° 81° 88° 93° 93° 93° 92° 92°
Humidity 81% 68% 60% 56% 50% 47% 46% 47%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
3%
 
7%
 
7%
 
6%
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) 4 SW 4 SW 4 WSW 5 WSW 6 WSW 6 WSW 6 WSW 6 W
UV Index 2 3 5 6 6 6 5 3
Cloud Cover 12% 14% 17% 20% 23% 25% 25% 70%
Dew Point 65° 64° 65° 66° 64° 64° 64° 66°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 30

more Historical Weather Data >
  Today Normal Record 8/30/2014
High 88° 80° 97° (1953) 78°
Low 63° 59° 41° (1986) 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 13:14 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:33 PM with 11:49 of moolight, then sets at 7:22 AM

Bethlehem Weather Report

Philadelphia: Heat, Humidity to Come Back Into Next Week

August 28, 2015; 5:03 PM ET

Heat and humidity will return to Philadelphia this weekend and hang on into next week. 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.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index