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    • Tonight

      Dec 4

      32° Lo F
      A little snow early, up to 1"
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Mon

      Dec 5

      40° /30°
      Periods of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Dec 6

      39° /26°
      Periods of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Dec 7

      36° /24°
      Cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Dec 8

      29° /20°
      Cloudy, a bit of snow; colder
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    42°Hi RealFeel® 37° Precipitation 65%
    Cloudy with a couple of showers of rain or snow this afternoon
    • SE 8 mph
    • Gusts: 15 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0.17 in
    • Rain: 0.16 in
    • Snow: 0.2 in
    • Ice: 0 in
    • Hours of Precipitation: 2.5 hrs
    • Hours of Rain: 2.5 hrs

    Night

    32°Lo RealFeel® 24° Precipitation 65%
    A little snow at times this evening, accumulating a coating to an inch; otherwise, cloudy
    • SW 9 mph
    • Gusts: 15 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0.15 in
    • Rain: 0 in
    • Snow: 0.8 in
    • Ice: 0 in
    • Hours of Precipitation: 2.5 hrs
    • Hours of Rain: 0 hrs

    Williamstown Pollen Levels Dec 4

    • 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 12/4/2015
    High 42° 41° N/A 41°
    Low 32° 27° N/A 29°

    Sunrise/Sunset

    • Sunrise: 7:43 AM
    • Sunset: 5:07 PM
    • Duration: 9:24 hr

    Moonrise/Moonset

    • Moonrise: 11:25 AM
    • Moonset: 9:59 PM
    • Duration: 10:34 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps