• Today

    Feb 11

    28°Lo 6°

    Colder with snow at times

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

    Feb 12

    23°Lo 13°

    Sun mixing with clouds; cold

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sat

    Feb 13

    18°Lo -4°

    A snow squall in the morning

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

    Feb 14

    11°Lo -2°

    Sunshine and frigid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Feb 15

    27°Lo 18°

    Turning cloudy; not as cold

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 23° RealFeel® 19° Precipitation 16%

Day

N

E

S

W

  • SSW 6 mph
  • Gusts: 9 mph

Cold with sunshine mixing with some clouds

  • Max UV Index: 3 (Moderate)
  • 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 13° RealFeel® 10° Precipitation 43%

Night

N

E

S

W

  • SSW 4 mph
  • Gusts: 7 mph

Considerable cloudiness with a flurry

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0.1 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0 hrs

Londonderry Pollen Levels - February 12

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    Low

  • Ragweed Pollen

    Low

  • Mold Pollen

    Low

  • Grass Pollen

    Low

Temperature History - Feb 12

more Historical Weather Data >
  Today Normal Record 2/12/2015
High 23° 36° N/A 21°
Low 13° 18° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:47 AM with 10:26 of sunlight, then sets at 5:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:07 AM with 13:10 of moolight, then sets at 10:17 PM

Londonderry Weather Report

Boston: Polar vortex to smack region during Valentine's Day weekend

February 11, 2016; 9:14 AM ET

The coldest air of the winter and perhaps during all of last winter will plunge across the Boston area during Valentine's Day weekend. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps