• Tonight

    Dec 21

    Lo 20°

    Patchy clouds

    Sinus Headache Weather
    • Hi
      RealFeel
      36°
    • UV
      1 - Low
    • Cloud
      Cover
      70%
  • Mon

    Dec 22

    39°Lo 34°

    Turning cloudy, p.m. mist

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      38°
    • UV
      1 - Low
    • Cloud
      Cover
      59%
    more
  • Tue

    Dec 23

    46°Lo 42°

    Rather cloudy with mist; fog

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      45°
    • UV
      1 - Low
    • Cloud
      Cover
      91%
    more
  • Wed

    Dec 24

    58°Lo 44°

    Rain; breezy, not as cool

    At High Risk weather for sinus headaches
    • Hi
      RealFeel
      48°
    • UV
      0 - Low
    • Cloud
      Cover
      99%
    more
  • Thu

    Dec 25

    49°Lo 27°

    Colder with clouds breaking

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      39°
    • UV
      1 - Low
    • Cloud
      Cover
      60%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9pm
10pm 11pm Mon
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Partly Cloudy
Partly Cloudy
Temp (°F) 26° 25° 24° 24° 24° 23° 23° 22°
RealFeel® 26° 25° 25° 25° 25° 24° 23° 22°
Humidity 79% 80% 80% 81% 83% 85% 87% 89%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
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0%
Snow
 
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Ice
 
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  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 4 N 4 N 2 N 2 NNE 2 NNE 2 NE 2 NE 4 NE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 44% 45%
Dew Point 20° 20° 19° 19° 19° 19° 19° 19°
Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 38° 39° 57° (1957) 50°
Low 20° 22° -3° (1942) 33°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:22 AM with 9:15 of sunlight, then sets at 4:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:35 AM with 10:07 of moolight, then sets at 4:42 PM

Bethlehem Weather Report

Philly: Christmas Eve Storm to Affect Holiday Travel This Week

December 21, 2014; 8:18 PM ET

Holiday travel will be at risk across the Philadelphia area this week as a strong storm takes shape and blasts through the Northeast. more >

New Year, New You

Dec 24, 2012; 5:00 AM ET Start 2013 right with these tips on how to set realistic New Year's resolutions!

Sun. Sinus Headache

Sun. UV Index