• Today

    May 21

    82°Lo 68°

    A thunderstorm in spots

    Very Good for running
    • Precip
      40%
    • Hours of Precip
      1
    • Wind
      Gust
      14 mph

  • Wed

    May 22

    88°Lo 68°

    Thundershower

    Good for running
    • Precip
      55%
    • Hours of Precip
      1.5
    • Wind
      Gust
      15 mph
    more

  • Thu

    May 23

    81°Lo 59°

    A couple of thunderstorms

    Fair for running
    • Precip
      61%
    • Hours of Precip
      4
    • Wind
      Gust
      20 mph
    more

  • Fri

    May 24

    73°Lo 48°

    A morning shower possible

    Very Good for running
    • Precip
      30%
    • Hours of Precip
      0
    • Wind
      Gust
      19 mph
    more

  • Sat

    May 25

    72°Lo 47°

    Mostly sunny

    Very Good for running
    • Precip
      18%
    • Hours of Precip
      0
    • Wind
      Gust
      16 mph
    more
Next Previous
Hi 82° RealFeel® 86° Precipitation 40%

Day

N

E

S

W

  • SSW 8 mph
  • Gusts: 14 mph

Warm and humid with clouds and sun; a shower or thunderstorm in spots this afternoon

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 68° RealFeel® 66° Precipitation 55%

Night

N

E

S

W

  • S 6 mph
  • Gusts: 12 mph

A shower or thunderstorm around this evening; otherwise, partly cloudy, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 82° 74° 95° (1996) 73°
Low 68° 54° 35° (2002) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:42 AM with 14:33 of sunlight, then sets at 8:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:26 PM with 11:17 of moolight, then sets at 3:43 AM

Top Story

Penns Grove Weather Report

Summerlike Tuesday in DC, Philadelphia, New York

May 20, 2013; 10:38 PM ET

Rising temperatures and humidity across the mid-Atlantic will have it feeling like the end of June. more >

Breaking Weather: More Storms Ahead

May 21, 2013; 4:09 AM ET Widespread strong to severe thunderstorms will rumble across the nation's midsection again on Tuesday.