• Friday

    Mar 27

    47°Lo 27°

    Morning rain; mostly cloudy

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

    Mar 28

    38°Lo 22°

    Mostly cloudy with flurries

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

    Mar 29

    44°Lo 25°

    Times of sun and clouds

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      46%
    more
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Derry Weather Report

Boston to Turn Sharply Colder, Little Snowy This Weekend

March 26, 2015; 3:10 PM ET

Wintry conditions and cold will return to the Boston area through Sunday morning. more >

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Making a Forecast: The Sixth Sense

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

Fri. Pollen

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