National Weather Service Forecast for: Boise ID
Issued by: National Weather Service Boise, ID
Updated: 12:29 am MDT Jul 10, 2026
 
Today

Today: Sunny and hot, with a high near 102. Calm wind becoming south 5 to 7 mph in the afternoon.
Hot
Tonight

Tonight: Clear, with a low around 68. West southwest wind 5 to 7 mph becoming calm  after midnight.
Clear
Saturday

Saturday: Sunny and hot, with a high near 102. Light and variable wind becoming south around 6 mph in the afternoon.
Hot
Saturday
Night
Saturday Night: Mostly clear, with a low around 68. Southeast wind around 6 mph becoming light and variable  after midnight.
Mostly Clear
Sunday

Sunday: Partly sunny and hot, with a high near 100. Light north northwest wind becoming northwest 6 to 11 mph in the morning.
Hot
Sunday
Night
Sunday Night: Mostly cloudy, with a low around 68.
Mostly Cloudy
Monday

Monday: Mostly sunny and hot, with a high near 100.
Hot
Monday
Night
Monday Night: Mostly cloudy, with a low around 69.
Mostly Cloudy
Tuesday

Tuesday: Mostly sunny and hot, with a high near 99.
Hot
Hi 102 °F Lo 68 °F Hi 102 °F Lo 68 °F Hi 100 °F Lo 68 °F Hi 100 °F Lo 69 °F Hi 99 °F

Heat Advisory
 

Today
 
Sunny and hot, with a high near 102. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
 
Clear, with a low around 68. West southwest wind 5 to 7 mph becoming calm after midnight.
Saturday
 
Sunny and hot, with a high near 102. Light and variable wind becoming south around 6 mph in the afternoon.
Saturday Night
 
Mostly clear, with a low around 68. Southeast wind around 6 mph becoming light and variable after midnight.
Sunday
 
Partly sunny and hot, with a high near 100. Light north northwest wind becoming northwest 6 to 11 mph in the morning.
Sunday Night
 
Mostly cloudy, with a low around 68.
Monday
 
Mostly sunny and hot, with a high near 100.
Monday Night
 
Mostly cloudy, with a low around 69.
Tuesday
 
Mostly sunny and hot, with a high near 99.
Tuesday Night
 
Partly cloudy, with a low around 68.
Wednesday
 
Sunny and hot, with a high near 99.
Wednesday Night
 
Mostly clear, with a low around 67.
Thursday
 
Sunny and hot, with a high near 100.

 

Forecast from NOAA-NWS for Boise ID.