• Mon

    Aug 17

    78°Lo 64°

    Periods of rain

    Bicycling Weather
    • Precip
      69%
    • Hours of Precip
      7.5
    • Wind
      Gust
      20 mph
    more
  • Tue

    Aug 18

    78°Lo 64°

    Mostly cloudy and less humid

    Bicycling Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
  • Wed

    Aug 19

    79°Lo 68°

    Plenty of clouds

    Bicycling Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      12 mph
    more
  • Thu

    Aug 20

    83°Lo 67°

    Considerable clouds

    Bicycling Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
  • Fri

    Aug 21

    82°Lo 66°

    Mostly cloudy

    Bicycling Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
Next Previous
Hi 83° RealFeel® 83° Precipitation 25%

Day

N

E

S

W

  • ENE 6 mph
  • Gusts: 9 mph

Considerable clouds

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 67° RealFeel® 65° Precipitation 20%

Night

N

E

S

W

  • NE 5 mph
  • Gusts: 9 mph

Becoming clear

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

Temperature History - Aug 20

more Historical Weather Data >
  Today Normal Record 8/20/2014
High 83° 83° 98° (1983) 84°
Low 67° 64° 50° (1998) 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:14 AM with 13:35 of sunlight, then sets at 7:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:47 AM with 11:04 of moolight, then sets at 10:51 PM

Princeton Weather Report

Philly: Warmth to Continue Early This Week Before Cooldown Arrives

August 2, 2015; 2:30 PM ET

Above-average temperatures will continue through the early part of this week but a cooldown is on the horizon. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.