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Personalized Forecasts

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    • Today

      Sep 25

      59° /34°F
      Mostly sunny and cool
      • Very Unlikely
      • for a snow day
      • Snow: 0%
      • Ice: 0%
      • Snow: 0 in
    • Mon

      Sep 26

      63° /50°
      Sunny to partly cloudy
      • Very Unlikely
      • for a snow day
      • Snow: 0%
      • Ice: 0%
      • Snow: 0 in
      More
    • Tue

      Sep 27

      66° /44°
      A little rain in the morning
      • Very Unlikely
      • for a snow day
      • Snow: 0%
      • Ice: 0%
      • Snow: 0 in
      More
    • Wed

      Sep 28

      67° /50°
      Times of clouds and sun
      • Very Unlikely
      • for a snow day
      • Snow: 0%
      • Ice: 0%
      • Snow: 0 in
      More
    • Thu

      Sep 29

      63° /52°
      Mainly cloudy
      • Very Unlikely
      • for a snow day
      • Snow: 0%
      • Ice: 0%
      • Snow: 0 in
      More

    Day

    59°Hi RealFeel® 56° Precipitation 22%
    Mostly sunny and cool
    • NW 9 mph
    • Gusts: 23 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    34°Lo RealFeel® 37° Precipitation 12%
    Mainly clear and cold; watch for an early season frost
    • WNW 2 mph
    • Gusts: 6 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 9/25/2015
    High 59° 67° N/A 65°
    Low 34° 43° N/A 43°

    Sunrise/Sunset

    • Sunrise: 6:43 AM
    • Sunset: 6:42 PM
    • Duration: 11:59 hr

    Moonrise/Moonset

    • Moonrise: 1:12 AM
    • Moonset: 3:53 PM
    • Duration: 14:41 hr
    Astronomy

    Londonderry Weather Report

    Crisp fall air to bring first frost of season to parts of northeastern US

    September 25, 2016; 2:29 PM ET

    Fall air has finally arrived in the northeastern United States and may yield the first frost of the season in parts of the region to end this weekend. More >

    48 Hour Precipitation Forecast

    Sun. Snow Day Potential