National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Fitchburg, Fitchburg Municipal Airport (KFIT)

Lat: 42.55°NLon: 71.76°WElev: 348ft.

Unknown Precip

31°F

-1°C

Humidity 96%
Wind Speed SE 3 mph
Barometer 30.13 in (1020.7 mb)
Dewpoint 30°F (-1°C)
Visibility 7.00 mi
Last update 4 Mar 2:52 am EST
Extended Forecast for

Groton MA

Winter Weather Advisory March 4, 03:34am until March 4, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 4, 03:34am until March 4, 07:00am

    NOW until 7:00am Wed

    Winter Weather Advisory

  • Overnight

    Low: 26 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 9am. Otherwise, sunny, with a high near 56. Calm wind becoming northwest around 6 mph.

    High: 56 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Areas Fog

  • Thursday

    Thursday: A chance of rain, mainly after 3pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 42. Calm wind. Chance of precipitation is 30%.

    High: 42 °F

    Chance Rain
    and Areas Fog

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow and freezing rain. Low around 30. Calm wind becoming northeast around 6 mph in the evening. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Wintry Mix

  • Friday

    Friday: Rain or freezing rain before 3pm, then a slight chance of rain between 3pm and 4pm. High near 38. Northeast wind 5 to 7 mph. Chance of precipitation is 80%.

    High: 38 °F

    Rain/Freezing
    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 56. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 56 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 26. Calm wind.
Wednesday
Areas of fog before 9am. Otherwise, sunny, with a high near 56. Calm wind becoming northwest around 6 mph.
Wednesday Night
Areas of fog after 11pm. Otherwise, partly cloudy, with a low around 20. Calm wind.
Thursday
A chance of rain, mainly after 3pm. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 42. Calm wind. Chance of precipitation is 30%.
Thursday Night
Rain, possibly mixed with snow and freezing rain. Low around 30. Calm wind becoming northeast around 6 mph in the evening. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
Rain or freezing rain before 3pm, then a slight chance of rain between 3pm and 4pm. High near 38. Northeast wind 5 to 7 mph. Chance of precipitation is 80%.
Friday Night
Cloudy, with a low around 30. Calm wind.
Saturday
Mostly cloudy, with a high near 56. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
A chance of rain before 3am. Mostly cloudy, with a low around 39. Southwest wind around 7 mph. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 54. West wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 34. Southwest wind 3 to 5 mph.
Monday
Sunny, with a high near 58. West wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 38. Light southwest wind.
Tuesday
Sunny, with a high near 64. Southwest wind 3 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Groton MA
 42.6°N 71.58°W (Elev. 299 ft)
Last Update:
12:57 am EST Mar 4, 2026
Forecast Valid:
3am EST Mar 4, 2026-6pm EDT Mar 10, 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