National Weather Service Forecast for: Fitchburg MA
Issued by: National Weather Service Norton, MA
Updated: 12:00 am EDT Jul 8, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 71. Southwest wind 3 to 5 mph.
Mostly Cloudy


Tuesday

Tuesday: A chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 89. Heat index values as high as 95. West wind 3 to 6 mph.  Chance of precipitation is 40%.
Mostly Sunny
then Chance
Showers

Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms.  Patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Chance
T-storms and
Patchy Fog
Wednesday

Wednesday: A chance of showers, with thunderstorms also possible after 11am.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers and
Patchy Fog

Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 63. Calm wind.  Chance of precipitation is 40%.
Chance
T-storms

Thursday

Thursday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Mostly cloudy, with a high near 74. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 60%.
Showers
Likely

Thursday
Night
Thursday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 3am.  Cloudy, with a low around 63. Calm wind.  Chance of precipitation is 60%.
Showers
Likely then
Chance
Showers
Friday

Friday: Partly sunny, with a high near 81. Light and variable wind.
Partly Sunny


Friday
Night
Friday Night: Mostly cloudy, with a low around 64. Calm wind.
Mostly Cloudy


Lo 71 °F Hi 89 °F Lo 67 °F Hi 77 °F Lo 63 °F Hi 74 °F Lo 63 °F Hi 81 °F Lo 64 °F

Heat Advisory
 

Overnight
 
Mostly cloudy, with a low around 71. Southwest wind 3 to 5 mph.
Tuesday
 
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89. Heat index values as high as 95. West wind 3 to 6 mph. Chance of precipitation is 40%.
Tuesday Night
 
A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 77. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 40%.
Thursday
 
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 74. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Thursday Night
 
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 3am. Cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%.
Friday
 
Partly sunny, with a high near 81. Light and variable wind.
Friday Night
 
Mostly cloudy, with a low around 64. Calm wind.
Saturday
 
Mostly sunny, with a high near 85. Light and variable wind.
Saturday Night
 
Partly cloudy, with a low around 65. Light south wind.
Sunday
 
Partly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
 
Mostly cloudy, with a low around 66. Light southwest wind.
Monday
 
A chance of showers. Partly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Fitchburg MA.