• Tonight

    Mar 4

    Lo 22°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Mar 5

    26°Lo 4°

    Colder with a little snow

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

    Mar 6

    25°Lo 9°

    Mostly sunny and very cold

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

    Mar 7

    34°Lo 17°

    Some sun, then clouds

    Low ragweed pollen levels
    • Precip
      12%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      51%
    more
  • Sun

    Mar 8

    37°Lo 22°

    Cloudy most of the time

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      84%
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Temperature History - Mar 8

more Historical Weather Data >
  Today Normal Record 3/8/2014
High 37° 42° N/A 50°
Low 22° 25° N/A 18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:10 AM with 11:33 of sunlight, then sets at 6:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:43 PM with 11:11 of moolight, then sets at 8:54 AM

Londonderry Weather Report

Boston: Snow, Freeze-up to Precede Thaw

March 4, 2015; 5:10 PM ET

Boston will lie on the northern edge of a 1,500-mile swath of snow, slippery roads and travel disruptions for a time on Thursday. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sun. Dust & Dander

Sun. Wind Maps