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

57°F

14°C

Humidity 93%
Wind Speed Calm
Barometer 29.85 in (1010.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Apr 5:52 am EDT
Extended Forecast for

Lancaster MA

  • Today

    Today: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 78. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Patchy fog after 9pm. Otherwise, cloudy, with a low around 54. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 74. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 48. Light northeast wind. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 63. Calm wind becoming east around 6 mph in the afternoon.

    High: 63 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47. East wind around 5 mph becoming light and variable in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 5pm. Mostly cloudy, with a high near 65. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

Detailed Forecast

Today
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 78. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms. Patchy fog after 9pm. Otherwise, cloudy, with a low around 54. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 74. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 2am. Mostly cloudy, with a low around 48. Light northeast wind. Chance of precipitation is 60%.
Saturday
Mostly cloudy, with a high near 63. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 47. East wind around 5 mph becoming light and variable in the evening.
Sunday
Showers likely, mainly after 5pm. Mostly cloudy, with a high near 65. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. West wind around 8 mph. Chance of precipitation is 50%.
Monday
A chance of snow showers. Partly sunny, with a high near 49. West wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 30. West wind around 6 mph.
Tuesday
Sunny, with a high near 56. West wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster MA
 42.46°N 71.67°W (Elev. 292 ft)
Last Update:
2:29 am EDT Apr 15, 2026
Forecast Valid:
6am EDT Apr 15, 2026-6pm EDT Apr 21, 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