• Fri

    May 20

    74°Lo 57°

    Clouds and sun

    Bicycling Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Sat

    May 21

    79°Lo 60°

    Cloudy with showers

    Bicycling Weather
    • Precip
      65%
    • Hours of Precip
      3.5
    • Wind
      Gust
      12 mph
  • Sun

    May 22

    81°Lo 59°

    Considerable cloudiness

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

    May 23

    76°Lo 58°

    Rain

    Bicycling Weather
    • Precip
      76%
    • Hours of Precip
      5.5
    • Wind
      Gust
      10 mph
    more
  • Tue

    May 24

    77°Lo 55°

    Cloudy

    Bicycling Weather
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
Next Previous
Hi 79° RealFeel® 80° Precipitation 65%

Day

N

E

S

W

  • W 5 mph
  • Gusts: 8 mph

Cloudy with showers

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.13 in
  • Rain: 0.13 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs
Lo 60° RealFeel® 55° Precipitation 65%

Night

N

E

S

W

  • ENE 7 mph
  • Gusts: 12 mph

Rain at times

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • Precipitation: 0.22 in
  • Rain: 0.22 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2015
High 79° 73° 94° (1934) 56°
Low 60° 52° 36° (2002) 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:37 AM with 14:37 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:01 PM with 10:23 of moolight, then sets at 6:24 AM

Princeton Weather Report

Rain to ease unusual northeastern US dryness but to put a damper on outdoor plans

May 1, 2016; 12:55 AM ET

Expanding rainfall will bring good news for unusually dry portions of the northeastern United States into the start of May. 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.