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Personalized Forecasts

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    • Early AM

      Sep 29

      63° Lo
      Rain and drizzle
      • Travel
      • Weather
      • Rain: 0.43 in
      • Wind Speed: 15 mph
      • T-storms: 24%
      More
    • Today

      Sep 29

      69° /61°F
      Some rain and a thunderstorm
      • Very Good
      • for travel
      • Rain: 0.29 in
      • Wind Speed: 16 mph
      • T-storms: 10%
    • Fri

      Sep 30

      69° /64°
      Windy with rain and drizzle
      • Very Good
      • for travel
      • Rain: 0.08 in
      • Wind Speed: 15 mph
      • T-storms: 24%
      More
    • Sat

      Oct 1

      73° /66°
      Mostly cloudy with a shower
      • Excellent
      • for travel
      • Rain: 0.08 in
      • Wind Speed: 5 mph
      • T-storms: 29%
      More
    • Sun

      Oct 2

      79° /61°
      Mostly cloudy with a shower
      • Excellent
      • for travel
      • Rain: 0.49 in
      • Wind Speed: 4 mph
      • T-storms: 24%
      More

    Day

    69°Hi RealFeel® 65° Precipitation 55%
    Mostly cloudy and windy with occasional rain and a thunderstorm
    • ENE 21 mph
    • Gusts: 38 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 30%
    • Precipitation: 0.13 in
    • Rain: 0.13 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Night

    61°Lo RealFeel® 54° Precipitation 66%
    Windy and mild with periods of rain
    • NE 16 mph
    • Gusts: 25 mph
    • Max UV Index: N/A
    • Thunderstorms: 10%
    • Precipitation: 0.29 in
    • Rain: 0.29 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 3.5 hrs
    • Hours of Rain: 3.5 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 69° 73° 89° (1921) 85°
    Low 61° 55° 37° (1942) 68°

    Sunrise/Sunset

    • Sunrise: 6:55 AM
    • Sunset: 6:44 PM
    • Duration: 11:49 hr

    Moonrise/Moonset

    • Moonrise: 5:29 AM
    • Moonset: 6:16 PM
    • Duration: 12:47 hr
    Astronomy

    Williamstown Weather Report

    Persistent rain to raise flood risk in part of northeastern US late this week

    September 29, 2016; 12:55 AM ET

    Rain will spread over much of the northeastern U.S. into the weekend, but persistent downpours will raise the flood risk in part of the mid-Atlantic. More >

    Weather Related Flight Delays

    Thu. Travel Weather

    Flight Tracker