• Today

    May 21

    85°Lo 65°

    A thunderstorm this afternoon

    Poor for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      91°
    • Wind
      Speed
      5 mph
  • Wed

    May 22

    88°Lo 69°

    Thundershower

    Poor for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      96°
    • Wind
      Speed
      6 mph
    more
  • Thu

    May 23

    81°Lo 59°

    A couple of thunderstorms

    Poor for home energy
    • Avg
      RealFeel
      76°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      12 mph
    more
  • Fri

    May 24

    72°Lo 44°

    A morning shower possible

    Poor for home energy
    • Avg
      RealFeel
      63°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      12 mph
    more
  • Sat

    May 25

    71°Lo 43°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      59°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      9 mph
    more
Next Previous
Hi 85° RealFeel® 91° Precipitation 57%

Day

N

E

S

W

  • SW 5 mph
  • Gusts: 11 mph

Partly sunny and warm; fog this morning, then becoming humid with a shower or thunderstorm around

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 60%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 65° RealFeel® 63° Precipitation 55%

Night

N

E

S

W

  • S 4 mph
  • Gusts: 8 mph

An evening shower or thunderstorm around; otherwise, patchy clouds, 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 85° 74° 94° (1996) 71°
Low 65° 52° 33° (2002) 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:43 AM with 14:36 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:29 PM with 11:16 of moolight, then sets at 3:45 AM

Top Story

Mohnton Weather Report

Summerlike Tuesday in DC, Philadelphia, New York

May 21, 2013; 5:03 AM ET

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

DIY Deodorant and Lotion

May 17, 2013; 5:00 AM ET Learn how to save money by making your own deodorants and lotions with all-natural ingredients.

Tue. Home Energy Efficiency

Tue. Degree Days

Tue. UV Index