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    • Today

      Sep 26

      66° /52°
      Partly sunny
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      71° /54°
      A little rain in the morning
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      64° /53°F
      Times of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Thu

      Sep 29

      62° /53°
      Rather cloudy with a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Sep 30

      60° /55°
      Cloudy and breezy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    64°Hi RealFeel® 65° Precipitation 25%
    Times of clouds and sun
    • NNE 7 mph
    • Gusts: 10 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    53°Lo RealFeel® 49° Precipitation 25%
    Mostly cloudy
    • NNE 7 mph
    • Gusts: 9 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/28/2015
    High 64° 68° N/A 79°
    Low 53° 47° N/A 47°

    Sunrise/Sunset

    • Sunrise: 6:40 AM
    • Sunset: 6:31 PM
    • Duration: 11:51 hr

    Moonrise/Moonset

    • Moonrise: 4:11 AM
    • Moonset: 5:33 PM
    • Duration: 13:22 hr
    Astronomy

    Londonderry Weather Report

    Rounds of rain to frequent northeastern US this week

    September 26, 2016; 10:29 AM ET

    Bouts of wet weather will frequent the northeastern United States during the last full week of September. More >

    Wed. Dust & Dander

    Wed. Wind Maps