National Weather Service Forecast for: Brunswick OH
Issued by: National Weather Service Cleveland, OH
Updated: 3:46 am EDT Jun 30, 2026
 
Today

Today: Mostly sunny, with a high near 94. Heat index values as high as 103. Southwest wind 7 to 13 mph.
Mostly Sunny

 Tonight

Tonight: Mostly clear, with a low around 74. Southwest wind 7 to 9 mph.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 96. Heat index values as high as 104. West wind around 9 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 74. Southwest wind around 7 mph.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 96. Southwest wind 6 to 10 mph.
Sunny

 Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms before 2am. Mostly clear, with a low around 73. Chance of precipitation is 20%.
Slight Chance
T-storms

 Friday

Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 50%.
Mostly Sunny
then Chance
T-storms
 Friday
Night
Friday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Chance
T-storms

 Independence
Day
Independence Day: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Chance
Showers then
Chance
T-storms
Hi 94 °F Lo 74 °F Hi 96 °F Lo 74 °F Hi 96 °F Lo 73 °F Hi 94 °F Lo 70 °F Hi 89 °F

Extreme Heat Warning
Hazardous Weather Outlook
 

Today
 
 Mostly sunny, with a high near 94. Heat index values as high as 103. Southwest wind 7 to 13 mph.
Tonight
 
 Mostly clear, with a low around 74. Southwest wind 7 to 9 mph.
Wednesday
 
 Sunny, with a high near 96. Heat index values as high as 104. West wind around 9 mph.
Wednesday Night
 
 Mostly clear, with a low around 74. Southwest wind around 7 mph.
Thursday
 
 Sunny, with a high near 96. Southwest wind 6 to 10 mph.
Thursday Night
 
 A slight chance of showers and thunderstorms before 2am. Mostly clear, with a low around 73. Chance of precipitation is 20%.
Friday
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 50%.
Friday Night
 
 A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Independence Day
 
 A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Saturday Night
 
 A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Sunday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Sunday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Monday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Brunswick OH.