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

49°F

9°C

Humidity 97%
Wind Speed NW 3 mph
Barometer 30.36 in (1028.2 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 16 Sep 2:52 am EDT
Extended Forecast for

Sterling MA

  • Overnight

    Overnight: Partly cloudy, with a low around 52. Light southwest wind.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Southwest wind around 7 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers, mainly between 2pm and 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly between 9pm and 2am. Mostly cloudy, with a low around 62. South wind 5 to 7 mph. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 76. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. North wind around 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. Light south wind.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 52. Light southwest wind.
Wednesday
Mostly sunny, with a high near 78. Southwest wind around 7 mph.
Wednesday Night
Increasing clouds, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers, mainly between 2pm and 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 79. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers, mainly between 9pm and 2am. Mostly cloudy, with a low around 62. South wind 5 to 7 mph. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 76. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 46. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 67. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 48. Light south wind.
Sunday
Showers likely, mainly between 11am and 1pm. Mostly cloudy, with a high near 65. South wind 3 to 6 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 49. West wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 50%.
Monday
Mostly cloudy, with a high near 67. Northeast wind around 7 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49. Northeast wind 3 to 5 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 67. East wind 6 to 8 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sterling MA
 42.45°N 71.74°W (Elev. 499 ft)
Last Update:
2:30 am EDT Sep 16, 2026
Forecast Valid:
3am EDT Sep 16, 2026-6pm EDT Sep 22, 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