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.

Overcast

51°F

11°C

Humidity 80%
Wind Speed SE 6 mph
Barometer 29.96 in (1014.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 16 Oct 6:52 am EDT
Extended Forecast for

Groton MA

  • Today

    Today: Showers, mainly before 2pm. Patchy fog between 9am and 10am. High near 67. South wind 3 to 6 mph. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 9pm, then a chance of showers between 9pm and 11pm. Patchy fog between 7pm and 8pm. Low around 46. Northwest wind 6 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 52. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 52 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Patchy frost after 9pm. Otherwise, clear, with a low around 28. North wind 5 to 9 mph becoming calm in the evening.

    Low: 28 °F

    Patchy Frost

  • Sunday

    Sunday: Patchy frost before 9am. Otherwise, sunny, with a high near 56. Light southwest wind.

    High: 56 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after midnight. Otherwise, clear, with a low around 32. Calm wind.

    Low: 32 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Patchy frost before 9am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming east around 6 mph in the afternoon.

    High: 59 °F

    Patchy Frost
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63. North wind 3 to 5 mph.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, mainly before 2pm. Patchy fog between 9am and 10am. High near 67. South wind 3 to 6 mph. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms before 9pm, then a chance of showers between 9pm and 11pm. Patchy fog between 7pm and 8pm. Low around 46. Northwest wind 6 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 52. Northwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Patchy frost after 9pm. Otherwise, clear, with a low around 28. North wind 5 to 9 mph becoming calm in the evening.
Sunday
Patchy frost before 9am. Otherwise, sunny, with a high near 56. Light southwest wind.
Sunday Night
Patchy frost after midnight. Otherwise, clear, with a low around 32. Calm wind.
Monday
Patchy frost before 9am. Otherwise, mostly sunny, with a high near 59. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 35. Calm wind.
Tuesday
Mostly sunny, with a high near 63. North wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 38. Light north wind.
Wednesday
Sunny, with a high near 60. Northeast wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 34. Calm wind.
Thursday
Mostly sunny, with a high near 56. East wind 3 to 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Groton MA
 42.6°N 71.58°W (Elev. 299 ft)
Last Update:
7:34 am EDT Oct 16, 2026
Forecast Valid:
7am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation