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    • Wed

      Oct 5

      65° /44°
      Times of clouds and sun
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Oct 6

      68° /49°
      Low clouds
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Oct 7

      69° /53°
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Oct 8

      72° /45°F
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sun

      Oct 9

      62° /49°
      Rain and drizzle possible
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    72°Hi RealFeel® 73° Precipitation 25%
    Mostly cloudy
    • ENE 5 mph
    • Gusts: 16 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    45°Lo RealFeel® 44° Precipitation 9%
    Cloudy
    • NNW 4 mph
    • Gusts: 10 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 10/8/2015
    High 72° 64° N/A 64°
    Low 45° 43° N/A 46°

    Sunrise/Sunset

    • Sunrise: 6:52 AM
    • Sunset: 6:13 PM
    • Duration: 11:21 hr

    Moonrise/Moonset

    • Moonrise: 1:32 PM
    • Moonset: 11:27 PM
    • Duration: 9:55 hr
    Astronomy

    Londonderry Weather Report

    Persistent rain to raise flood risk in part of northeastern US

    September 30, 2016; 4:16 AM ET

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