• Tonight

    Jan 31

    Lo 16°

    Mostly clear

    Sinus Headache Weather
    • Hi
      RealFeel
    • UV
      3 - Moderate
    • Cloud
      Cover
      5%
    more
  • Sun

    Feb 1

    34°Lo 29°

    Mostly cloudy and not as cold

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      34°
    • UV
      2 - Low
    • Cloud
      Cover
      76%
  • Mon

    Feb 2

    36°Lo 11°

    Snow and sleet tapering off

    At Extreme Risk weather for sinus headaches
    • Hi
      RealFeel
      24°
    • UV
      1 - Low
    • Cloud
      Cover
      99%
    more
  • Tue

    Feb 3

    20°Lo 12°

    Partly sunny and colder

    At Extreme Risk weather for sinus headaches
    • Hi
      RealFeel
      17°
    • UV
      2 - Low
    • Cloud
      Cover
      42%
    more
  • Wed

    Feb 4

    39°Lo 23°

    Mostly cloudy and not as cold

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      34°
    • UV
      1 - Low
    • Cloud
      Cover
      79%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Mostly Clear
Mostly Clear
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 16° 16° 17° 19° 23° 27° 30° 30°
RealFeel® 13° 13° 15° 18° 22° 26° 30° 31°
Humidity 77% 80% 79% 76% 71% 67% 65% 63%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
2%
 
2%
 
3%
 
5%
 
5%
 
5%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 6 W 5 WSW 5 WSW 5 WSW 5 W 6 W 6 W 6 W
UV Index 0 0 0 0 1 1 2 2
Cloud Cover 25% 25% 76% 76% 76% 76% 76% 76%
Dew Point 10° 10° 11° 13° 15° 17° 19° 19°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F Middle Grid line 20 F Middle Grid line 15 F

Temperature History - Feb 1

more Historical Weather Data >
  Today Normal Record 2/1/2014
High 34° 40° 67° (2012) 47°
Low 29° 24° -3° (1920) 28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:08 AM with 10:09 of sunlight, then sets at 5:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:32 PM with 14:24 of moolight, then sets at 5:56 AM

Princeton Weather Report

Philadelphia: Snow to Change to Ice, Rain Before Groundhog Day

January 31, 2015; 10:06 AM ET

Cold air sweeping in this weekend will help pave the way for a winter storm late Sunday afternoon into Monday afternoon around Philadelphia. 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