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

71°F

22°C

Humidity 55%
Wind Speed N 9 mph
Barometer 30.30 in (1026.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 1 Sep 10:52 am EDT
Extended Forecast for

South Lancaster MA

  • Labor Day

    Labor Day: Partly sunny, with a high near 76. East wind around 7 mph.

    High: 76 °F

    Partly Sunny

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 76. Calm wind becoming east around 6 mph in the afternoon.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Light southwest wind.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Light southwest wind becoming south 5 to 9 mph in the morning.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 3am. Partly cloudy, with a low around 59. South wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 11am. Mostly cloudy, with a high near 77. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

Labor Day
Partly sunny, with a high near 76. East wind around 7 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 52. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 76. Calm wind becoming east around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 53. Calm wind.
Wednesday
Sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 55. Light southwest wind.
Thursday
Sunny, with a high near 80. Light southwest wind becoming south 5 to 9 mph in the morning.
Thursday Night
A chance of showers after 3am. Partly cloudy, with a low around 59. South wind 5 to 7 mph. Chance of precipitation is 30%.
Friday
Showers likely, mainly after 11am. Mostly cloudy, with a high near 77. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers before 3am. Mostly cloudy, with a low around 57. Southwest wind around 6 mph. Chance of precipitation is 50%.
Saturday
A chance of showers. Mostly sunny, with a high near 80. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 54. West wind around 6 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 74. West wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Lancaster MA
 42.44°N 71.71°W (Elev. 456 ft)
Last Update:
9:57 am EDT Sep 1, 2025
Forecast Valid:
11am EDT Sep 1, 2025-6pm EDT Sep 7, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation