National Weather Service Forecast for: Brockton MA
Issued by: National Weather Service Norton, MA
Updated: 2:14 am EDT Jun 30, 2026
 
Overnight

Overnight: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 62. Light southwest wind.
Patchy Fog

Tuesday

Tuesday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 87. Light southwest wind becoming south 5 to 10 mph in the morning.
Patchy Fog
then Mostly
Sunny
Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms, mainly after 10pm.  Mostly cloudy, with a low around 69. Southwest wind around 11 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

Wednesday

Wednesday: Partly sunny and hot, with a high near 95. Heat index values as high as 100. Southwest wind 11 to 13 mph, with gusts as high as 25 mph.
Hot

Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 74. Southwest wind 6 to 10 mph.  Chance of precipitation is 30%.
Chance
Showers then
Slight Chance
T-storms
Thursday

Thursday: Sunny and hot, with a high near 98. West wind 7 to 9 mph.
Hot

Thursday
Night
Thursday Night: Mostly clear, with a low around 75. West wind 5 to 7 mph.
Mostly Clear

Friday

Friday: Sunny and hot, with a high near 98. West wind 6 to 10 mph, with gusts as high as 20 mph.
Hot

Friday
Night
Friday Night: Mostly clear, with a low around 72. West wind 3 to 6 mph.
Mostly Clear

Lo 62 °F Hi 87 °F Lo 69 °F Hi 95 °F Lo 74 °F Hi 98 °F Lo 75 °F Hi 98 °F Lo 72 °F

Extreme Heat Warning
 

Overnight
 
Patchy fog after 5am. Otherwise, mostly clear, with a low around 62. Light southwest wind.
Tuesday
 
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 87. Light southwest wind becoming south 5 to 10 mph in the morning.
Tuesday Night
 
A chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 69. Southwest wind around 11 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
Partly sunny and hot, with a high near 95. Heat index values as high as 100. Southwest wind 11 to 13 mph, with gusts as high as 25 mph.
Wednesday Night
 
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 74. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.
Thursday
 
Sunny and hot, with a high near 98. West wind 7 to 9 mph.
Thursday Night
 
Mostly clear, with a low around 75. West wind 5 to 7 mph.
Friday
 
Sunny and hot, with a high near 98. West wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
 
Mostly clear, with a low around 72. West wind 3 to 6 mph.
Independence Day
 
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. West wind 5 to 8 mph. Chance of precipitation is 40%.
Saturday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Light west wind. Chance of precipitation is 30%.
Sunday
 
Mostly sunny, with a high near 88. North wind 3 to 7 mph.
Sunday Night
 
Partly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm in the evening.
Monday
 
A chance of showers. Partly sunny, with a high near 85. East wind 3 to 8 mph. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Brockton MA.