National Weather Service Forecast for: San Luis AZ
Issued by: National Weather Service Phoenix, AZ
Updated: 9:58 am MST May 4, 2026
 
Today

Today: Mostly cloudy, with a high near 81. West southwest wind 5 to 10 mph.
Mostly Cloudy

 Tonight

Tonight: Cloudy during the early evening, then gradual clearing, with a low around 57. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Gradual
Clearing
 Tuesday

Tuesday: Sunny, with a high near 80. Breezy, with a west wind 5 to 15 mph, with gusts as high as 20 mph.
Sunny then
Sunny and
Breezy
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 54. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 87. Northwest wind around 5 mph.
Sunny

 Wednesday
Night
Wednesday Night: Clear, with a low around 60. West southwest wind around 5 mph becoming calm after midnight.
Clear

 Thursday

Thursday: Sunny, with a high near 98. Calm wind becoming west around 5 mph in the morning.
Sunny

 Thursday
Night
Thursday Night: Clear, with a low around 65. South southwest wind around 5 mph becoming calm after midnight.
Clear

 Friday

Friday: Sunny, with a high near 103. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunny
Hi 81 °F Lo 57 °F Hi 80 °F Lo 54 °F Hi 87 °F Lo 60 °F Hi 98 °F Lo 65 °F Hi 103 °F

 

Today
 
 Mostly cloudy, with a high near 81. West southwest wind 5 to 10 mph.
Tonight
 
 Cloudy during the early evening, then gradual clearing, with a low around 57. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
 
 Sunny, with a high near 80. Breezy, with a west wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
 
 Mostly clear, with a low around 54. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
 
 Sunny, with a high near 87. Northwest wind around 5 mph.
Wednesday Night
 
 Clear, with a low around 60. West southwest wind around 5 mph becoming calm after midnight.
Thursday
 
 Sunny, with a high near 98. Calm wind becoming west around 5 mph in the morning.
Thursday Night
 
 Clear, with a low around 65. South southwest wind around 5 mph becoming calm after midnight.
Friday
 
 Sunny, with a high near 103. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
 
 Clear, with a low around 68. South southwest wind around 5 mph becoming calm after midnight.
Saturday
 
 Sunny, with a high near 106. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Saturday Night
 
 Clear, with a low around 69. South wind 5 to 10 mph becoming light southeast after midnight.
Sunday
 
 Sunny, with a high near 106. Light south southeast wind increasing to 5 to 10 mph in the morning.

 

Forecast from NOAA-NWS for San Luis AZ.