• Today

    May 22

    74°Lo 43°

    Partly sunny; breezy, warmer

    Excellent for running
    • Precip
      4%
    • Hours of Precip
      0
    • Wind
      Gust
      24 mph
    more
  • Sat

    May 23

    68°Lo 45°

    Mostly sunny

    Excellent for running
    • Precip
      8%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
  • Sun

    May 24

    78°Lo 56°

    Warmer with periods of sun

    Excellent for running
    • Precip
      7%
    • Hours of Precip
      1.5
    • Wind
      Gust
      13 mph
    more
  • Mon

    May 25

    82°Lo 65°

    A thunderstorm possible

    Very Good for running
    • Precip
      30%
    • Hours of Precip
      1
    • Wind
      Gust
      15 mph
    more
  • Tue

    May 26

    86°Lo 67°

    A t-storm around in the p.m.

    Good for running
    • Precip
      40%
    • Hours of Precip
      2
    • Wind
      Gust
      17 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 45° 49° 53° 54° 58° 61° 61° 63°
RealFeel® 41° 47° 54° 60° 66° 70° 71° 72°
Humidity 53% 48% 42% 35% 30% 27% 24% 23%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
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Snow
 
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Ice
 
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 8 NNW 8 NNW 8 NNW 7 NNW 6 NW 7 WNW 7 WNW 7 W
UV Index 0 1 3 5 6 7 8 7
Cloud Cover 0% 11% 11% 11% 11% 11% 11% 11%
Dew Point 29° 30° 30° 27° 26° 26° 25° 25°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 68° 74° 99° (1911) 74°
Low 45° 53° 41° (2006) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:36 AM with 14:39 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:48 AM with 13:55 of moolight, then sets at 12:43 AM

Princeton Weather Report

Philly: Temperature Swings to Precede Memorial Day

May 22, 2015; 4:12 AM ET

Temperatures will remain on a roller coaster ride around Philadelphia in the days leading up to Memorial Day. more >

Avoid the Winter Workout Blues

Dec 26, 2012; 5:00 AM ET When it's snowing or cold, most of us want nothing more than to keep warm on the couch. But Violeta Yas has some tips to help you sneak in mini workouts at the office, regardless of the weather.