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.

Overcast

64°F

18°C

Humidity 93%
Wind Speed Calm
Barometer 30.06 in (1017.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 21 Aug 4:52 am EDT
Extended Forecast for

Lancaster MA

  • Today

    Today: A slight chance of showers before 2pm, then a slight chance of showers after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 76. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 56. Light north wind. Chance of precipitation is 30%.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 72. North wind 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 72 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers likely, with thunderstorms also possible after 5am. Patchy fog between 7pm and 8pm. Otherwise, cloudy, with a low around 58. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then showers likely between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 80. Light west wind increasing to 5 to 9 mph in the morning.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 55. West wind 3 to 5 mph.

    Low: 55 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. West wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers before 2pm, then a slight chance of showers after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 76. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 56. Light north wind. Chance of precipitation is 30%.
Saturday
A chance of showers, mainly after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 72. North wind 5 to 7 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers likely, with thunderstorms also possible after 5am. Patchy fog between 7pm and 8pm. Otherwise, cloudy, with a low around 58. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then showers likely between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 10pm. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.
Monday
Sunny, with a high near 80. Light west wind increasing to 5 to 9 mph in the morning.
Monday Night
Clear, with a low around 55. West wind 3 to 5 mph.
Tuesday
Sunny, with a high near 78. West wind 5 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 56. Light west wind.
Wednesday
Sunny, with a high near 81. West wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 59. Light southwest wind.
Thursday
A chance of showers. Partly sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster MA
 42.44°N 71.68°W (Elev. 249 ft)
Last Update:
3:49 am EDT Aug 21, 2026
Forecast Valid:
6am EDT Aug 21, 2026-6pm EDT Aug 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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