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

67°F

19°C

Humidity 51%
Wind Speed NW 15 G 28 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 14 Sep 9:52 am EDT
Extended Forecast for

Groton MA

  • Today

    Today: Sunny, with a high near 74. Northwest wind 15 to 17 mph, with gusts as high as 29 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. North wind 3 to 7 mph.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Calm wind becoming east around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. Southeast wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers before 5am. Mostly cloudy, with a low around 56. Light and variable wind. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 78. North wind around 6 mph.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 74. Northwest wind 15 to 17 mph, with gusts as high as 29 mph.
Tonight
Clear, with a low around 45. North wind 3 to 7 mph.
Tuesday
Sunny, with a high near 70. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 49. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 57. South wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers before 5am. Mostly cloudy, with a low around 56. Light and variable wind. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 78. North wind around 6 mph.
Friday Night
Partly cloudy, with a low around 51. Light northwest wind.
Saturday
Mostly sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53. Light southwest wind. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 71. West wind 5 to 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
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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:
5:04 am EDT Sep 14, 2026
Forecast Valid:
10am EDT Sep 14, 2026-6pm EDT Sep 20, 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