• Today

    May 21

    86°Lo 65°

    A thunderstorm this afternoon

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High

  • Wed

    May 22

    88°Lo 67°

    Thundershower

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    more

  • Thu

    May 23

    80°Lo 53°

    A couple of thunderstorms

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      350 - High
    more

  • Fri

    May 24

    71°Lo 44°

    Variable clouds; not as warm

    Extreme indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      73%
    more

  • Sat

    May 25

    70°Lo 42°

    Mostly sunny and pleasant

    Very High indoor dust & dander levels
    • Precip
      11%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      12%
    more
Next Previous
Hi 86° RealFeel® 91° Precipitation 57%

Day

N

E

S

W

  • SSW 5 mph
  • Gusts: 10 mph

Sunny to partly cloudy, very warm and humid; an afternoon shower or thunderstorm around

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 60%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 65° RealFeel® 63° Precipitation 57%

Night

N

E

S

W

  • SW 4 mph
  • Gusts: 7 mph

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

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Harrisburg Pollen Levels - May 21

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 86° 74° 95° (1941) 70°
Low 65° 53° 35° (2002) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:47 AM with 14:35 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:32 PM with 11:17 of moolight, then sets at 3:49 AM

Top Story

Harrisburg 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 >

Smoke Alert: The Hidden Dangers of E-Cigarettes

May 20, 2013; 5:00 AM ET E-cigarette manufacturers claim the devices can help a person quit smoking but have those claims ever been proven?

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps