National Weather Service Forecast for: Lowell MA
Issued by: National Weather Service Norton, MA
Updated: 8:31 am EDT Jul 5, 2025
 
Today

Today: Mostly sunny, with a high near 85. Southwest wind 5 to 7 mph.
Mostly Sunny

Tonight

Tonight: Partly cloudy, with a low around 66. Southwest wind around 6 mph.
Partly Cloudy

Sunday

Sunday: Mostly sunny and hot, with a high near 93. Heat index values as high as 97. Southwest wind 8 to 13 mph.
Hot

Sunday
Night
Sunday Night: Mostly clear, with a low around 71. Southwest wind 6 to 8 mph.
Mostly Clear

Monday

Monday: Sunny and hot, with a high near 94. Southwest wind 6 to 9 mph.
Hot

Monday
Night
Monday Night: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 72. Southwest wind 5 to 7 mph.  Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
Tuesday

Tuesday: 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 86. Light and variable wind becoming northwest around 6 mph in the morning.  Chance of precipitation is 60%.
Chance
T-storms then
Showers
Likely
Tuesday
Night
Tuesday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 40%.
Chance
Showers

Wednesday

Wednesday: Partly sunny, with a high near 85. Light and variable wind becoming north around 5 mph in the morning.
Partly Sunny

Hi 85 °F Lo 66 °F Hi 93 °F Lo 71 °F Hi 94 °F Lo 72 °F Hi 86 °F Lo 68 °F Hi 85 °F

Heat Advisory
 

Today
 
Mostly sunny, with a high near 85. Southwest wind 5 to 7 mph.
Tonight
 
Partly cloudy, with a low around 66. Southwest wind around 6 mph.
Sunday
 
Mostly sunny and hot, with a high near 93. Heat index values as high as 97. Southwest wind 8 to 13 mph.
Sunday Night
 
Mostly clear, with a low around 71. Southwest wind 6 to 8 mph.
Monday
 
Sunny and hot, with a high near 94. Southwest wind 6 to 9 mph.
Monday Night
 
A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 72. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Tuesday
 
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 86. Light and variable wind becoming northwest around 6 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
 
A chance of showers before 2am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.
Wednesday
 
Partly sunny, with a high near 85. Light and variable wind becoming north around 5 mph in the morning.
Wednesday Night
 
Mostly cloudy, with a low around 66. Light and variable wind.
Thursday
 
Partly sunny, with a high near 80. Calm wind becoming east around 6 mph in the afternoon.
Thursday Night
 
A chance of showers. Mostly cloudy, with a low around 65. Light east wind. Chance of precipitation is 30%.
Friday
 
A chance of showers. Mostly cloudy, with a high near 77. East wind 3 to 7 mph. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Lowell MA.