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    • Tonight

      Sep 25

      44° Lo F
      Mainly clear
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Mon

      Sep 26

      66° /53°
      Sunny to partly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      70° /54°
      Periods of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      69° /55°
      Clouds and sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      64° /55°
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    52° RealFeel® 50°
    Clear
    • 6 mph
    • Humidity: 56%
    • Pressure: 30.22 in
    • UV Index: 0
    • Cloud Cover: 0%
    • Ceiling: 40000 ft
    • Dew Point: 37° F
    • Visibility: 10 mi

    Sunrise/Sunset

    • Sunrise: 6:37 AM
    • Sunset: 6:36 PM
    • Duration: 11:59 hr

    Moonrise/Moonset

    • Moonrise: 1:07 AM
    • Moonset: 3:46 PM
    • Duration: 14:39 hr
    Astronomy

    TEMPERATURE SUMMARY

      Temp (°F)
    Now 52°
    Yesterday 50°
    RealFeel® 50°
    RealFeel® Shade 50°
    Wind Chill 52°
    Dew Point 37°
      Hi / Lo
    Previous 6 Hours 65°/52°
    Previous 12 Hours 65°/52°
    Previous 24 Hours 65°/42°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2015
    High 64° 69° N/A 69°
    Low 44° 48° N/A 52°

    PRECIPITATION SUMMARY

      Amount (in)
    Previous 1 Hour 0
    Previous 3 Hours 0
    Previous 6 Hours 0
    Previous 9 Hours 0
    Previous 12 Hours 0
    Previous 18 Hours 0
    Previous 24 Hours 0

    Derry Weather Report

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

    September 25, 2016; 9:29 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 >

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps