• Tonight

    May 21

    Lo 54°

    A little rain late

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Wed

    May 22

    84°Lo 65°

    Warmer with a thunderstorm

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

    May 23

    78°Lo 61°

    Showers and a heavier t-storm

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

    May 24

    70°Lo 46°

    Breezy with periods of rain

    Extreme indoor dust & dander levels
    • Precip
      67%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      76%
  • Sat

    May 25

    65°Lo 41°

    Partly sunny with a shower

    Extreme indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      45%
    more
Next Previous
Hi 70° RealFeel® 68° Precipitation 67%

Day

N

E

S

W

  • NW 13 mph
  • Gusts: 25 mph

Breezy with periods of rain

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 24%
  • Precipitation: 0.33 in
  • Rain: 0.33 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 5.5 hrs
  • Hours of Rain: 5.5 hrs
Lo 46° RealFeel® 41° Precipitation 30%

Night

N

E

S

W

  • N 8 mph
  • Gusts: 16 mph

Partly cloudy and cooler with a couple of showers possible

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 24

more Historical Weather Data >
  Today Normal Record 5/24/2012
High 70° 71° N/A 78°
Low 46° 50° N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:16 AM with 14:55 of sunlight, then sets at 8:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:49 PM with 9:51 of moolight, then sets at 5:40 AM

Top Story

Londonderry Weather Report

Severe Storms to Reach DC, NYC, Albany Thursday

May 21, 2013; 5:20 PM ET

The same storm system responsible for producing violent thunderstorms in Oklahoma recently will reach the Atlantic Seaboard Thursday. 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?

Fri. Dust & Dander

Fri. Wind Maps