• Tonight

    Sep 2

    Lo 64°

    Showers and a heavier t-storm

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      94°
    • Wind
      Speed
      6 mph
  • Wed

    Sep 3

    85°Lo 57°

    Mostly sunny and less humid

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      86°
    • Wind
      Speed
      4 mph
    more
  • Thu

    Sep 4

    87°Lo 63°

    Fog in the a.m.; partly sunny

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      4 mph
    more
  • Fri

    Sep 5

    87°Lo 68°

    Mostly sunny and more humid

    Poor for home energy
    • Avg
      RealFeel
      79°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      5 mph
    more
  • Sat

    Sep 6

    86°Lo 63°

    A couple of thunderstorms

    Poor for home energy
    • Avg
      RealFeel
      77°
    • Hi
      RealFeel
      93°
    • Wind
      Speed
      5 mph
    more
Next Previous
Hi 90° RealFeel® 94° Precipitation 50%

Day

N

E

S

W

  • WSW 6 mph
  • Gusts: 17 mph

Humid with clouds and sun; very warm with a thunderstorm in spots late this afternoon

  • Max UV Index: 6 (High)
  • Thunderstorms: 70%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 64° RealFeel® 62° Precipitation 55%

Night

N

E

S

W

  • W 4 mph
  • Gusts: 9 mph

Showers and a heavier thunderstorm early; warm, cloudy, then partly cloudy with fog

  • Max UV Index: N/A
  • Thunderstorms: 45%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2013
High 90° 80° 99° (1980) 83°
Low 64° 58° 44° (2001) 69°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 13:03 of sunlight, then sets at 7:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:13 PM with 10:08 of moolight, then sets at 12:21 AM

Top Story

Bethlehem Weather Report

Philly: Warm Week for Back to School, Work

September 2, 2014; 1:53 PM ET

While temperatures and humidity levels will fluctuate from day to day this week, unseasonable warmth will continue into next weekend 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