National Weather Service Forecast for: San Luis AZ
Issued by: National Weather Service Phoenix, AZ
Updated: 9:42 pm MST Jun 29, 2026
 
Tonight

Tonight: Clear, with a low around 70. Northwest wind 5 to 10 mph becoming northeast after midnight.
Clear
Tuesday

Tuesday: Sunny, with a high near 98. North wind around 5 mph becoming west southwest in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Clear, with a low around 70. West wind around 5 mph becoming calm  in the evening.
Clear
Wednesday

Wednesday: Sunny, with a high near 101. Calm wind becoming south around 5 mph in the afternoon.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 73. South wind around 5 mph.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 103. Southeast wind 5 to 10 mph.
Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 74. South wind 5 to 10 mph becoming light southeast  after midnight.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 105. Calm wind becoming south around 5 mph in the afternoon.
Mostly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 76. South wind around 5 mph becoming calm  in the evening.
Partly Cloudy
Lo 70 °F Hi 98 °F Lo 70 °F Hi 101 °F Lo 73 °F Hi 103 °F Lo 74 °F Hi 105 °F Lo 76 °F

 

Tonight
 
Clear, with a low around 70. Northwest wind 5 to 10 mph becoming northeast after midnight.
Tuesday
 
Sunny, with a high near 98. North wind around 5 mph becoming west southwest in the afternoon.
Tuesday Night
 
Clear, with a low around 70. West wind around 5 mph becoming calm in the evening.
Wednesday
 
Sunny, with a high near 101. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
 
Mostly clear, with a low around 73. South wind around 5 mph.
Thursday
 
Sunny, with a high near 103. Southeast wind 5 to 10 mph.
Thursday Night
 
Partly cloudy, with a low around 74. South wind 5 to 10 mph becoming light southeast after midnight.
Friday
 
Mostly sunny, with a high near 105. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
 
Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.
Independence Day
 
Mostly sunny, with a high near 107. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
 
Mostly clear, with a low around 79. South southwest wind around 5 mph becoming calm after midnight.
Sunday
 
Sunny, with a high near 109. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
 
Mostly clear, with a low around 81. South wind around 5 mph becoming calm after midnight.
Monday
 
Sunny and hot, with a high near 111. Light south southeast wind becoming south 5 to 10 mph in the morning.

 

Forecast from NOAA-NWS for San Luis AZ.