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

69°F

21°C

Humidity 81%
Wind Speed Calm
Barometer 30.29 in (1025.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 Sep 8:52 pm EDT
Extended Forecast for

Sterling MA

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, increasing clouds, with a low around 61. West wind 3 to 5 mph.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A slight chance of showers after 3pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 78 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 3am. Mostly cloudy, with a low around 62. South wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Northwest wind 6 to 9 mph.

    High: 75 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. North wind 3 to 5 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

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

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 10am. Mostly cloudy, with a high near 62. South wind 3 to 6 mph. Chance of precipitation is 70%.

    High: 62 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 50. Light north wind. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 61. West wind 3 to 5 mph.
Thursday
A slight chance of showers after 3pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly before 3am. Mostly cloudy, with a low around 62. South wind 3 to 5 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Northwest wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 47. North wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 66. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 50. Calm wind.
Sunday
Showers likely, mainly after 10am. Mostly cloudy, with a high near 62. South wind 3 to 6 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 50. Light north wind. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 64. Northeast wind around 7 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49. Light northeast wind. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 63. Northeast wind around 8 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 47. Northeast wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 64. East wind around 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sterling MA
 42.43°N 71.77°W (Elev. 499 ft)
Last Update:
8:14 pm EDT Sep 16, 2026
Forecast Valid:
9pm EDT Sep 16, 2026-6pm EDT Sep 23, 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