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

61°F

16°C

Humidity 97%
Wind Speed Calm
Barometer 30.12 in (1019.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 1 Sep 11:52 pm EDT
Extended Forecast for

South Ashburnham MA

  • Overnight

    Overnight: A slight chance of showers before 2am. Patchy fog. Otherwise, cloudy, with a low around 56. Light east wind. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 69. East wind around 6 mph.

    High: 69 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, with thunderstorms also possible after 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 56. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Mostly Cloudy
    then Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 11am, then showers between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 9am. High near 73. South wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 61. Light west wind. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Northwest wind 6 to 9 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Northwest wind around 5 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers after 5pm. Mostly sunny, with a high near 70. North wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. Light northeast wind.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers before 2am. Patchy fog. Otherwise, cloudy, with a low around 56. Light east wind. Chance of precipitation is 20%.
Wednesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 69. East wind around 6 mph.
Wednesday Night
Showers likely, with thunderstorms also possible after 5am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 56. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm before 11am, then showers between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 9am. High near 73. South wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 61. Light west wind. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 76. Northwest wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 56. Northwest wind around 5 mph.
Saturday
A chance of showers after 5pm. Mostly sunny, with a high near 70. North wind 7 to 9 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 52. Light northeast wind.
Sunday
Mostly sunny, with a high near 70. North wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 51. Calm wind.
Labor Day
Sunny, with a high near 73. West wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 53. Light southwest wind.
Tuesday
Mostly sunny, with a high near 71. Northwest wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
South Ashburnham MA
 42.61°N 71.94°W (Elev. 997 ft)
Last Update:
4:11 pm EDT Sep 1, 2026
Forecast Valid:
12am EDT Sep 2, 2026-6pm EDT Sep 8, 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