National Weather Service Forecast for: Ann Arbor MI
Issued by: National Weather Service Detroit/Pontiac, MI
Updated: 10:13 pm EDT Jun 29, 2026
 
Overnight

Overnight: Mostly clear, with a low around 73. South wind around 5 mph.
Mostly Clear

Tuesday

Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Hot

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 75. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Mostly Clear

Wednesday

Wednesday: Sunny and hot, with a high near 99. Heat index values as high as 109. West southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Hot

Wednesday
Night
Wednesday Night: Clear, with a low around 74. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Clear

Thursday

Thursday: Sunny and hot, with a high near 99.
Hot

Thursday
Night
Thursday Night: A chance of showers and thunderstorms after 2am.  Partly cloudy, with a low around 73. Chance of precipitation is 40%.
Partly Cloudy
then Chance
T-storms
Friday

Friday: A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 95.
Chance
T-storms
Friday
Night
Friday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 70.
Chance
T-storms
Lo 73 °F Hi 98 °F Lo 75 °F Hi 99 °F Lo 74 °F Hi 99 °F Lo 73 °F Hi 95 °F Lo 70 °F

Hazardous Weather Outlook
Air Quality Alert
Extreme Heat Warning
 

Overnight
 
Mostly clear, with a low around 73. South wind around 5 mph.
Tuesday
 
Sunny and hot, with a high near 98. Heat index values as high as 110. Southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
 
Mostly clear, with a low around 75. West southwest wind 9 to 11 mph, with gusts as high as 22 mph.
Wednesday
 
Sunny and hot, with a high near 99. Heat index values as high as 109. West southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
 
Clear, with a low around 74. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Thursday
 
Sunny and hot, with a high near 99.
Thursday Night
 
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
Friday
 
A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.
Friday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Independence Day
 
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 92.
Saturday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Monday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Ann Arbor MI.