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

65°F

18°C

Humidity 70%
Wind Speed SE 6 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 2 Sep 9:52 pm EDT
Extended Forecast for

Sterling MA

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 53. Light southwest wind.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Light southwest wind.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming south 5 to 9 mph in the morning.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 1am. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 60. South wind around 7 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers, mainly before 10am. Widespread dense fog before 10am. Otherwise, mostly sunny, with a high near 81. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers and
    Dense Fog

  • Friday Night

    Friday Night: Widespread dense fog after 10pm. Otherwise, partly cloudy, with a low around 65. Southwest wind 7 to 10 mph.

    Low: 65 °F

    Dense Fog

  • Saturday

    Saturday: A chance of showers after 1pm. Widespread dense fog before 10am. Otherwise, mostly sunny, with a high near 83. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 83 °F

    Dense Fog
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Widespread dense fog after 9pm. Otherwise, mostly cloudy, with a low around 56. West wind 5 to 7 mph. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers and
    Dense Fog

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 53. Light southwest wind.
Wednesday
Patchy fog before 7am. Otherwise, sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52. Light southwest wind.
Thursday
Sunny, with a high near 79. Calm wind becoming south 5 to 9 mph in the morning.
Thursday Night
A chance of showers, mainly after 1am. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 60. South wind around 7 mph. Chance of precipitation is 30%.
Friday
A chance of showers, mainly before 10am. Widespread dense fog before 10am. Otherwise, mostly sunny, with a high near 81. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Friday Night
Widespread dense fog after 10pm. Otherwise, partly cloudy, with a low around 65. Southwest wind 7 to 10 mph.
Saturday
A chance of showers after 1pm. Widespread dense fog before 10am. Otherwise, mostly sunny, with a high near 83. Southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Widespread dense fog after 9pm. Otherwise, mostly cloudy, with a low around 56. West wind 5 to 7 mph. Chance of precipitation is 50%.
Sunday
A chance of showers before 9am. Widespread dense fog before 9am. Otherwise, mostly sunny, with a high near 73. West wind 5 to 7 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 50. West wind 3 to 5 mph.
Monday
Sunny, with a high near 72. West wind around 6 mph.
Monday Night
Mostly clear, with a low around 48. Light west wind.
Tuesday
Mostly sunny, with a high near 73. Light and variable wind becoming southeast around 6 mph in the morning.
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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:
4:21 pm EDT Sep 2, 2025
Forecast Valid:
10pm EDT Sep 2, 2025-6pm EDT Sep 9, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation