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    • Today

      Jan 21

      49° /34°
      Considerable clouds
      • 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
    • Sun

      Jan 22

      42° /33°F
      Fog in the morning; cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Mon

      Jan 23

      37° /34°
      Rain and snow possible
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Jan 24

      41° /34°
      Cloudy with a touch of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Jan 25

      46° /36°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    42°Hi RealFeel® 40° Precipitation 25%
    Areas of morning fog; otherwise, cloudy
    • NE 6 mph
    • Gusts: 10 mph
    • Max UV Index: 1 (Low)
    • 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

    33°Lo RealFeel® 26° Precipitation 45%
    Considerable cloudiness with a flurry or two late
    • NE 8 mph
    • Gusts: 12 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0.01 in
    • Rain: 0 in
    • Snow: 0.0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0 hrs

    Londonderry Pollen Levels Jan 22

    • 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 1/22/2016
    High 42° 33° N/A 30°
    Low 33° 15° N/A 18°

    Sunrise/Sunset

    • Sunrise: 7:10 AM
    • Sunset: 4:45 PM
    • Duration: 9:35 hr

    Moonrise/Moonset

    • Moonrise: 2:24 AM
    • Moonset: 12:45 PM
    • Duration: 10:21 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps