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.

Light Rain Fog/Mist

67°F

19°C

Humidity 93%
Wind Speed E 5 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 65°F (18°C)
Visibility 6.00 mi
Last update 1 Sep 12:52 pm EDT
Extended Forecast for

Ashby MA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 3pm, then showers likely between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Patchy fog. High near 65. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Heavy Rain
    and Patchy
    Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 57. 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: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 71. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, then showers and possibly a thunderstorm after 2am. Patchy fog after 10pm. Low around 58. Southeast wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    and Patchy
    Fog

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. High near 76. Southwest wind around 6 mph. Chance of precipitation is 80%.

    High: 76 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 61. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 77. Northwest wind 6 to 9 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Northwest wind around 6 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 71. North wind around 8 mph.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 3pm, then showers likely between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Patchy fog. High near 65. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 57. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 71. Calm wind becoming east around 6 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
Showers likely, then showers and possibly a thunderstorm after 2am. Patchy fog after 10pm. Low around 58. Southeast wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. High near 76. Southwest wind around 6 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 61. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.
Friday
Sunny, with a high near 77. Northwest wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 57. Northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 71. North wind around 8 mph.
Saturday Night
Partly cloudy, with a low around 53. Light north wind.
Sunday
Mostly sunny, with a high near 69. Northeast wind around 6 mph.
Sunday Night
Mostly clear, with a low around 54. Light and variable wind.
Labor Day
Mostly sunny, with a high near 72. West wind around 6 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Ashby MA
 42.68°N 71.83°W (Elev. 948 ft)
Last Update:
7:04 am EDT Sep 1, 2026
Forecast Valid:
1pm EDT Sep 1, 2026-6pm EDT Sep 7, 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