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    • Today

      Dec 10

      27° /17°F
      Snow showers this morning
      • 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
    • Sun

      Dec 11

      29° /27°
      A bit of afternoon snow
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Dec 12

      40° /25°
      Snow and rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Dec 13

      36° /22°
      A bit of p.m. snow, up to 1"
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Dec 14

      27° /12°
      Snow possible
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    27°Hi RealFeel® 24° Precipitation 80%
    Cold; a couple of morning snow showers, turning breezy this afternoon with a snow shower
    • W 13 mph
    • Gusts: 25 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 3%
    • Precipitation: 0.09 in
    • Rain: 0 in
    • Snow: 0.6 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 0 hrs

    Night

    17°Lo RealFeel® 12° Precipitation 25%
    Plenty of clouds
    • SSW 6 mph
    • Gusts: 14 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

    Groton Pollen Levels Dec 10

    • 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 12/10/2015
    High 27° 37° 64° (1966) 53°
    Low 17° 24° -10° (1958) 42°

    Sunrise/Sunset

    • Sunrise: 7:25 AM
    • Sunset: 4:32 PM
    • Duration: 9:07 hr

    Moonrise/Moonset

    • Moonrise: 2:26 PM
    • Moonset: 4:12 AM
    • Duration: 13:46 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps