, °F

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    • Tonight

      Sep 24

      42° Lo F
      Clear and chilly
      • Asthma
      • Weather
      • Hi RealFeel: 65°
      • UV: 4 - Moderate
      • Air Qual.: Good
    • Sun

      Sep 25

      63° /41°
      Mostly sunny
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 62°
      • UV: 4 - Moderate
      • Air Qual.: Good
      More
    • Mon

      Sep 26

      65° /49°
      Sunny to partly cloudy
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 71°
      • UV: 4 - Moderate
      • Air Qual.: Good
      More
    • Tue

      Sep 27

      67° /52°
      Periods of rain
      • Neutral
      • weather for asthma
      • Hi RealFeel: 65°
      • UV: 2 - Low
      • Air Qual.: Good
      More
    • Wed

      Sep 28

      72° /52°
      Clouds and sunshine
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 74°
      • UV: 4 - Moderate
      • Air Qual.: Good
      More
    Saturday
    10pm
    11pm
    12am
    1am
    2am
    3am
    4am
    5am
    Forecast Partly Cloudy Mostly Clear Clear Clear Clear Clear Clear Clear
    Temp (°F) 49° 47° 46° 45° 45° 44° 44° 43°
    RealFeel® 48° 47° 47° 46° 46° 45° 44° 44°
    Wind (mph) 5 NW 4 NW 4 NW 4 NW 4 NW 4 NW 4 NW 4 NW
    precip
    10pm
    11pm
    12am
    1am
    2am
    3am
    4am
    5am
    Rain
    1%
    1%
    1%
    1%
    0%
    0%
    0%
    0%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    10pm
    11pm
    12am
    1am
    2am
    3am
    4am
    5am
    UV Index 0 0 0 0 0 0 0 0
    Cloud Cover 43% 24% 3% 1% 0% 0% 0% 0%
    Humidity 71% 73% 72% 75% 74% 70% 70% 71%
    Dew Point 40° 39° 38° 38° 37° 35° 34° 34°
    Temp °F
    10pm
    11pm
    12am
    1am
    2am
    3am
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    50° 45° 40°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/24/2015
    High 66° 69° N/A 78°
    Low 42° 49° N/A 54°

    Sunrise/Sunset

    • Sunrise: 6:36 AM
    • Sunset: 6:38 PM
    • Duration: 12:02 hr

    Moonrise/Moonset

    • Moonrise: 12:08 AM
    • Moonset: 3:00 PM
    • Duration: 14:52 hr
    Astronomy

    Londonderry Weather Report

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

    September 24, 2016; 9:32 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 this weekend. More >

    Sat. Air Quality

    Sat. Asthma Risk

    Sat. UV Index