• Sun

    Sep 20

    76°Lo 55°

    Mostly cloudy

    Bicycling Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      16 mph
    more
  • Mon

    Sep 21

    75°Lo 59°

    Occasional afternoon rain

    Bicycling Weather
    • Precip
      55%
    • Hours of Precip
      1.5
    • Wind
      Gust
      8 mph
  • Tue

    Sep 22

    75°Lo 57°

    A shower in the afternoon

    Bicycling Weather
    • Precip
      55%
    • Hours of Precip
      0.5
    • Wind
      Gust
      4 mph
    more
  • Wed

    Sep 23

    76°Lo 57°

    Mostly cloudy, a little rain

    Bicycling Weather
    • Precip
      56%
    • Hours of Precip
      1.5
    • Wind
      Gust
      22 mph
    more
  • Thu

    Sep 24

    76°Lo 57°

    Clouds and sun with a shower

    Bicycling Weather
    • Precip
      55%
    • Hours of Precip
      1
    • Wind
      Gust
      5 mph
    more
Next Previous
Hi 75° RealFeel® 75° Precipitation 55%

Day

N

E

S

W

  • NE 5 mph
  • Gusts: 8 mph

Considerable cloudiness; a morning shower in spots followed by a little rain in the afternoon

  • Max UV Index: 2 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.03 in
  • Rain: 0.03 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 59° RealFeel® 59° Precipitation 20%

Night

N

E

S

W

  • W 2 mph
  • Gusts: 4 mph

Partly cloudy

  • 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 - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2014
High 75° 74° 96° (1895) 78°
Low 59° 54° 40° (1962) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:45 AM with 12:13 of sunlight, then sets at 6:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:16 PM with 10:11 of moolight, then sets at 12:27 AM

Princeton Weather Report

Philadelphia: Heat to Rebuild on Labor Day After Cooldown

September 5, 2015; 8:42 AM ET

A backdoor front will trim temperatures, haze and humidity around Philadelphia this weekend before all three conditions return by early next week. 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.