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    • Today

      Sep 25

      64° /41°
      Mostly 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
    • Mon

      Sep 26

      66° /49°
      Sunny to partly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      68° /52°F
      Periods of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Wed

      Sep 28

      71° /55°
      Times of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      68° /55°
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    68°Hi RealFeel® 65° Precipitation 65%
    Periods of rain into the early afternoon
    • SW 5 mph
    • Gusts: 7 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 5%
    • Precipitation: 0.23 in
    • Rain: 0.23 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 3.5 hrs
    • Hours of Rain: 3.5 hrs

    Night

    52°Lo RealFeel® 53° Precipitation 25%
    Partly cloudy
    • NNW 1 mph
    • Gusts: 4 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 9/27/2015
    High 68° 68° N/A 72°
    Low 52° 48° N/A 39°

    Sunrise/Sunset

    • Sunrise: 6:39 AM
    • Sunset: 6:32 PM
    • Duration: 11:53 hr

    Moonrise/Moonset

    • Moonrise: 3:10 AM
    • Moonset: 5:01 PM
    • Duration: 13:51 hr
    Astronomy

    Derry Weather Report

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

    September 25, 2016; 9:19 AM 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 >

    Tue. Dust & Dander

    Tue. Wind Maps