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

47°F

8°C

Humidity 61%
Wind Speed SE 3 mph
Barometer 30.34 in (1027.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 10 Oct 8:52 pm EDT
Extended Forecast for

Groton MA

  • Tonight

    Tonight: Mostly clear, with a low around 39. South wind 3 to 5 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Light southwest wind.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 61. Northeast wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 11pm. Cloudy, with a low around 47. Northeast wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: Showers likely. Cloudy, with a high near 54. Northeast wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 54 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 46. Northeast wind 6 to 9 mph. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 57. North wind around 8 mph. Chance of precipitation is 50%.

    High: 57 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 3am. Mostly cloudy, with a low around 45. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 39. South wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 66. Light southwest wind.
Saturday Night
Mostly cloudy, with a low around 45. Calm wind.
Sunday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 61. Northeast wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Sunday Night
Showers likely, mainly after 11pm. Cloudy, with a low around 47. Northeast wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Columbus Day
Showers likely. Cloudy, with a high near 54. Northeast wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday Night
Showers likely. Mostly cloudy, with a low around 46. Northeast wind 6 to 9 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 57. North wind around 8 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers before 3am. Mostly cloudy, with a low around 45. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 62. North wind 3 to 6 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 42. Northwest wind around 5 mph. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 56. Northwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 39. Northwest wind around 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 57. Northwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Groton MA
 42.6°N 71.58°W (Elev. 299 ft)
Last Update:
7:24 pm EDT Oct 10, 2025
Forecast Valid:
9pm EDT Oct 10, 2025-6pm EDT Oct 17, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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