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

Fitchburg, Fitchburg Municipal Airport (KFIT)

Lat: 42.55°NLon: 71.76°WElev: 348ft.

Fair

40°F

4°C

Humidity 83%
Wind Speed Calm
Barometer 30.07 in (1018.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 13 May 2:52 am EDT
Extended Forecast for

Bolton MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 65. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 5am. Mostly cloudy, with a low around 49. South wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. Patchy fog before 10am. High near 63. Southeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Patchy fog before 9pm. Low around 46. Northeast wind 3 to 5 mph. Chance of precipitation is 90%.

    Low: 46 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 57. North wind around 7 mph. Chance of precipitation is 70%.

    High: 57 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Southwest wind 6 to 8 mph.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Calm wind.
Wednesday
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 65. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers, mainly after 5am. Mostly cloudy, with a low around 49. South wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Thursday
Showers, with thunderstorms also possible after 2pm. Patchy fog before 10am. High near 63. Southeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm. Patchy fog before 9pm. Low around 46. Northeast wind 3 to 5 mph. Chance of precipitation is 90%.
Friday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 57. North wind around 7 mph. Chance of precipitation is 70%.
Friday Night
Partly cloudy, with a low around 46. Light and variable wind.
Saturday
Sunny, with a high near 77. West wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 56. Southwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 82. West wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 55. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 80. Light and variable wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Bolton MA
 42.43°N 71.59°W (Elev. 348 ft)
Last Update:
12:35 am EDT May 13, 2026
Forecast Valid:
3am EDT May 13, 2026-6pm EDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation