National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Barre / Montpelier, Knapp State Airport (KMPV)

Lat: 44.2°NLon: 72.57°WElev: 1165ft.

Overcast

69°F

21°C

Humidity 66%
Wind Speed N 6 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 4 Sep 5:51 pm EDT
Extended Forecast for

Williamstown VT

  • Tonight

    Tonight: A 20 percent chance of showers between 11pm and midnight. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 55. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 55 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Saturday

    Saturday: A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 73. North wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 7pm. Patchy dense fog after 3am. Otherwise, mostly cloudy, with a low around 49. Light north wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers then
    Patchy Dense
    Fog

  • Sunday

    Sunday: Patchy dense fog before 8am. Otherwise, mostly sunny, with a high near 72. North wind 3 to 7 mph.

    High: 72 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy dense fog after 4am. Otherwise, mostly clear, with a low around 47. Light northwest wind.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Labor Day

    Labor Day: Patchy dense fog before 8am. Otherwise, sunny, with a high near 76. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 76 °F

    Patchy Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Calm wind becoming northwest 5 to 7 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers between 11pm and midnight. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 55. Northwest wind 5 to 8 mph becoming calm in the evening.
Saturday
A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 73. North wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 30 percent chance of showers, mainly before 7pm. Patchy dense fog after 3am. Otherwise, mostly cloudy, with a low around 49. Light north wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Patchy dense fog before 8am. Otherwise, mostly sunny, with a high near 72. North wind 3 to 7 mph.
Sunday Night
Patchy dense fog after 4am. Otherwise, mostly clear, with a low around 47. Light northwest wind.
Labor Day
Patchy dense fog before 8am. Otherwise, sunny, with a high near 76. Calm wind becoming northwest 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 51. Calm wind.
Tuesday
Mostly sunny, with a high near 73. Calm wind becoming northwest 5 to 7 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 50. Calm wind.
Wednesday
A 50 percent chance of showers after 8am. Mostly cloudy, with a high near 74. South wind 3 to 7 mph.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 58. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 74. West wind 9 to 11 mph, with gusts as high as 24 mph.
Thursday Night
Mostly cloudy, with a low around 48. Northwest wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 66. Northwest wind around 10 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamstown VT
 44.13°N 72.55°W (Elev. 1001 ft)
Last Update:
2:35 pm EDT Sep 4, 2026
Forecast Valid:
6pm EDT Sep 4, 2026-6pm EDT Sep 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation