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.

Partly Cloudy

70°F

21°C

Humidity 61%
Wind Speed S 6 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 17 Jun 9:52 pm EDT
Extended Forecast for

South Lancaster MA

  • Tonight

    Tonight: A chance of showers, mainly after 4am. Mostly cloudy, with a low around 61. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before 9am, then patchy fog after 10am. High near 78. South wind 6 to 13 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62. West wind 9 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    Showers then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. West wind around 14 mph, with gusts as high as 30 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. West wind around 14 mph, with gusts as high as 31 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. West wind 5 to 8 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. West wind 7 to 9 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 4am. Partly cloudy, with a low around 56. Calm wind. Chance of precipitation is 30%.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A chance of showers, mainly after 4am. Mostly cloudy, with a low around 61. South wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before 9am, then patchy fog after 10am. High near 78. South wind 6 to 13 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62. West wind 9 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Sunny, with a high near 83. West wind around 14 mph, with gusts as high as 30 mph.
Friday Night
Clear, with a low around 58. West wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 80. West wind around 14 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 58. West wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 79. West wind 7 to 9 mph.
Sunday Night
A chance of showers after 4am. Partly cloudy, with a low around 56. Calm wind. Chance of precipitation is 30%.
Monday
Showers likely, mainly after 11am. The rain could be heavy at times. Mostly cloudy, with a high near 74. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 57. Light north wind. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 82. North wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 62. Calm wind.
Wednesday
Mostly sunny, with a high near 82. Calm wind becoming southwest around 5 mph in the afternoon.
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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:
7:15 pm EDT Jun 17, 2026
Forecast Valid:
10pm EDT Jun 17, 2026-6pm EDT Jun 24, 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