National Weather Service Forecast for: San Luis AZ
Issued by: National Weather Service Phoenix, AZ
Updated: 3:47 pm MST Jun 19, 2026
 
Tonight

Tonight: Clear, with a low around 71. Southwest wind 5 to 10 mph becoming northeast in the evening.
Clear

 Saturday

Saturday: Sunny, with a high near 104. Calm wind becoming west northwest around 5 mph in the morning.
Sunny

 Saturday
Night
Saturday Night: Clear, with a low around 71. West southwest wind around 5 mph becoming calm in the evening.
Clear

 Sunday

Sunday: Sunny, with a high near 105. Calm wind becoming south around 5 mph in the afternoon.
Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 72. South wind 5 to 10 mph becoming light southeast after midnight.
Mostly Clear

 Monday

Monday: Sunny, with a high near 105. Breezy, with a south southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunny then
Sunny and
Breezy
 Monday
Night
Monday Night: Mostly clear, with a low around 73. Southeast wind 5 to 10 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 107. Breezy, with a south wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny and
Breezy
 Tuesday
Night
Tuesday Night: Clear, with a low around 77. South southeast wind 5 to 10 mph.
Clear
Lo 71 °F Hi 104 °F Lo 71 °F Hi 105 °F Lo 72 °F Hi 105 °F Lo 73 °F Hi 107 °F Lo 77 °F

 

Tonight
 
 Clear, with a low around 71. Southwest wind 5 to 10 mph becoming northeast in the evening.
Saturday
 
 Sunny, with a high near 104. Calm wind becoming west northwest around 5 mph in the morning.
Saturday Night
 
 Clear, with a low around 71. West southwest wind around 5 mph becoming calm in the evening.
Sunday
 
 Sunny, with a high near 105. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
 
 Mostly clear, with a low around 72. South wind 5 to 10 mph becoming light southeast after midnight.
Monday
 
 Sunny, with a high near 105. Breezy, with a south southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
 
 Mostly clear, with a low around 73. Southeast wind 5 to 10 mph.
Tuesday
 
 Sunny, with a high near 107. Breezy, with a south wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
 
 Clear, with a low around 77. South southeast wind 5 to 10 mph.
Wednesday
 
 Sunny and hot, with a high near 112. South southeast wind 5 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 81. South wind 5 to 10 mph becoming light and variable after midnight.
Thursday
 
 Sunny and hot, with a high near 116. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Thursday Night
 
 Mostly clear, with a low around 83. West southwest wind 5 to 10 mph becoming northwest after midnight.
Friday
 
 Sunny and hot, with a high near 114. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

 

Forecast from NOAA-NWS for San Luis AZ.