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

57°F

14°C

Humidity 74%
Wind Speed NW 9 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 15 Oct 2:52 am EDT
Extended Forecast for

Groton MA

  • Overnight

    Overnight: Mostly clear, with a low around 47. Northwest wind around 7 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61. North wind 5 to 10 mph, with gusts as high as 22 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Showers, mainly before 1pm. Patchy fog. High near 67. Southeast wind 6 to 9 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 39. Southwest wind around 8 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Northwest wind 9 to 11 mph, with gusts as high as 31 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Light northwest wind.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. West wind 3 to 6 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 47. Northwest wind around 7 mph.
Thursday
Sunny, with a high near 61. North wind 5 to 10 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 39. Calm wind.
Friday
Showers, mainly before 1pm. Patchy fog. High near 67. Southeast wind 6 to 9 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 39. Southwest wind around 8 mph becoming northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 48. Northwest wind 9 to 11 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 29. Light northwest wind.
Sunday
Sunny, with a high near 55. West wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 31. Calm wind.
Monday
Sunny, with a high near 60. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 35. Light west wind.
Tuesday
Mostly sunny, with a high near 63. Northwest wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 36. Calm wind.
Wednesday
Sunny, with a high near 61. North 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:
2:30 am EDT Oct 15, 2026
Forecast Valid:
3am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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