• Tonight

    Mar 5

    Lo 7°

    Bitterly cold with clearing

    Sinus Headache Weather
    • Hi
      RealFeel
      20°
    • UV
      3 - Moderate
    • Cloud
      Cover
      95%
    more
  • Fri

    Mar 6

    27°Lo 10°

    Mostly sunny and very cold

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      37°
    • UV
      4 - Moderate
    • Cloud
      Cover
      22%
    more
  • Sat

    Mar 7

    36°Lo 25°

    Partly sunny

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      34°
    • UV
      4 - Moderate
    • Cloud
      Cover
      45%
    more
  • Sun

    Mar 8

    43°Lo 28°

    Periods of clouds and sun

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      42°
    • UV
      3 - Moderate
    • Cloud
      Cover
      69%
    more
  • Mon

    Mar 9

    44°Lo 26°

    Partly sunny

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      45°
    • UV
      4 - Moderate
    • Cloud
      Cover
      39%
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Temperature History - Mar 9

more Historical Weather Data >
  Today Normal Record 3/9/2014
High 44° 48° 73° (2000) 44°
Low 26° 30° (1984) 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:20 AM with 11:39 of sunlight, then sets at 6:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:51 PM with 10:54 of moolight, then sets at 9:45 AM

Princeton Weather Report

Philadelphia: Warmup to Follow Cold Start to Weekend

March 5, 2015; 9:33 PM ET

In the wake of a storm that brought heavy snow to the Philadelphia area on Thursday, colder air moving in will cause a freeze-up of wet and slushy areas. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Mon. Sinus Headache

Mon. UV Index