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    • Tonight

      Sep 29

      47° Lo F
      Mostly cloudy and breezy
      • Asthma
      • Weather
      • Hi RealFeel: 63°
      • UV: 4 - Moderate
      • Air Qual.: Good
    • Fri

      Sep 30

      61° /50°
      Cloudy and breezy
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 56°
      • UV: 2 - Low
      • Air Qual.: Good
      More
    • Sat

      Oct 1

      55° /51°
      Breezy with periods of rain
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 48°
      • UV: 2 - Low
      • Air Qual.: Good
      More
    • Sun

      Oct 2

      61° /54°
      Occasional rain and drizzle
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 61°
      • UV: 2 - Low
      • Air Qual.: Good
      More
    • Mon

      Oct 3

      63° /54°
      Cloudy with a shower in spots
      • Beneficial
      • weather for asthma
      • Hi RealFeel: 63°
      • UV: 2 - Low
      • Air Qual.: Good
      More
    64°/54° RealFeel® 63°/51°
    Warmer
    • 10 mph
    • Precipitation: 0%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 54%
    • Cloud Cover: 55%
    • Dew Point: 43° F
    • Visibility: 9 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 64° 67° N/A 80°
    Low 47° 47° N/A 64°

    Sunrise/Sunset

    • Sunrise: 6:41 AM
    • Sunset: 6:29 PM
    • Duration: 11:48 hr

    Moonrise/Moonset

    • Moonrise: 5:11 AM
    • Moonset: 6:03 PM
    • Duration: 12:52 hr
    Astronomy

    Londonderry Weather Report

    Persistent rain to raise flood risk in part of northeastern US

    September 29, 2016; 8:33 PM ET

    Persistent downpours will raise the flood risk in part of the mid-Atlantic into Friday, while rain will spread over the balance of the northeastern United States into the weekend. More >

    Thu. Air Quality

    Thu. Asthma Risk

    Thu. UV Index