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    • Today

      Feb 20

      40° /17°F
      Mostly sunny; windy, colder
      • 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
    • Tue

      Feb 21

      42° /31°
      Sunny to partly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Feb 22

      45° /34°
      Clouds giving way to sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Feb 23

      59° /36°
      Partly sunny and milder
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Feb 24

      50° /36°
      Cooler with a bit of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    40°Hi RealFeel® 30° Precipitation 0%
    Windy and colder with sunshine and patchy clouds
    • NNW 16 mph
    • Gusts: 40 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

    17°Lo RealFeel® 16° Precipitation 0%
    Mainly clear and seasonably cold
    • N 6 mph
    • Gusts: 17 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

    Londonderry Pollen Levels Feb 20

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 2/20/2016
    High 40° 38° N/A 59°
    Low 17° 20° N/A 32°

    Sunrise/Sunset

    • Sunrise: 6:36 AM
    • Sunset: 5:23 PM
    • Duration: 10:47 hr

    Moonrise/Moonset

    • Moonrise: 2:04 AM
    • Moonset: 12:00 PM
    • Duration: 9:56 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps