• Today

    Dec 18

    42°Lo 25°

    A.M. flurries; clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Dec 19

    34°Lo 20°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Dec 20

    34°Lo 23°

    Increasing cloudiness

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Dec 21

    35°Lo 26°

    Sunny to partly cloudy

    Low ragweed pollen levels
    • Precip
      9%
    • Wind
      Speed
      2 mph
    • Cloud
      Cover
      29%
    more
  • Mon

    Dec 22

    38°Lo 30°

    Sun and clouds

    Ragweed Pollen Weather
    • Precip
      17%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      62%
Next Previous
Hi 38° RealFeel® 39° Precipitation 17%

Day

N

E

S

W

  • ESE 4 mph
  • Gusts: 5 mph

Sun and clouds

  • Max UV Index: 1 (Low)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 30° RealFeel® 29° Precipitation 60%

Night

N

E

S

W

  • ENE 5 mph
  • Gusts: 7 mph

Cloudy with rain and drizzle late, beginning after temperatures rise above freezing

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0.12 in
  • Rain: 0.12 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Dec 22

more Historical Weather Data >
  Today Normal Record 12/22/2013
High 38° 36° N/A 46°
Low 30° 20° N/A 32°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:13 AM with 9:02 of sunlight, then sets at 4:15 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:22 AM with 10:01 of moolight, then sets at 5:23 PM

Londonderry Weather Report

Boston: Spotty Wintry Weather This Weekend to be Paled by Major Storm Next Week

December 18, 2014; 2:06 AM ET

After a weak storm brings spotty light snow and rain to the region this weekend, a storm will threaten major travel disruptions in Boston before Christmas. more >

Mon. Dust & Dander

Mon. Wind Maps