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

45°F

7°C

Humidity 86%
Wind Speed Calm
Barometer 30.12 in (1020.2 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 16 Oct 1:52 am EDT
Extended Forecast for

Groton MA

  • Overnight

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

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Showers, mainly before 3pm. Patchy fog after 9am. High near 69. South wind 5 to 8 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers and
    Patchy Fog
    then Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely, mainly before 10pm. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 41. West wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 49. Northwest wind 13 to 17 mph, with gusts as high as 30 mph.

    High: 49 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 28. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 28 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Light southwest wind.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 32. Calm wind.

    Low: 32 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 59. Calm wind becoming east around 6 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Calm wind.
Friday
Showers, mainly before 3pm. Patchy fog after 9am. High near 69. South wind 5 to 8 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before 10pm. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 41. West wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 49. Northwest wind 13 to 17 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 28. Northwest wind 5 to 9 mph becoming calm in the evening.
Sunday
Sunny, with a high near 56. Light southwest wind.
Sunday Night
Clear, with a low around 32. Calm wind.
Monday
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 36. Calm wind.
Tuesday
Mostly sunny, with a high near 63. North wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 39. Calm wind.
Wednesday
Sunny, with a high near 60. Northeast wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 35. Calm wind.
Thursday
Mostly sunny, with a high near 57. East wind 3 to 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Groton MA
 42.6°N 71.58°W (Elev. 299 ft)
Last Update:
1:56 am EDT Oct 16, 2026
Forecast Valid:
2am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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