National Weather Service Forecast for: San Luis AZ
Issued by: National Weather Service Phoenix, AZ
Updated: 4:18 am MST Dec 22, 2025
 
Today

Today: Mostly sunny, with a high near 80. Calm wind becoming northeast around 5 mph.
Mostly Sunny


 Tonight

Tonight: Mostly cloudy, with a low around 54. Calm wind becoming east southeast around 5 mph.
Mostly Cloudy


 Tuesday

Tuesday: A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 73. East wind 5 to 10 mph.
Slight Chance
Showers

 Tuesday
Night
Tuesday Night: A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 62. Southeast wind 5 to 10 mph.
Chance
Showers

 Wednesday

Wednesday: A 50 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 77. Breezy, with a south wind 5 to 15 mph, with gusts as high as 25 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Chance
Showers and
Breezy

 Wednesday
Night
Wednesday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 61. Breezy, with a south southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Showers
Likely and
Breezy then
Chance
Showers
 Christmas
Day
Christmas Day: A 20 percent chance of showers before 11am. Sunny, with a high near 77. Southwest wind 5 to 10 mph.
Slight Chance
Showers then
Sunny

 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 54. Southwest wind around 5 mph becoming north after midnight.
Mostly Cloudy


 Friday

Friday: Partly sunny, with a high near 73. North northeast wind 5 to 10 mph becoming west northwest in the afternoon.
Partly Sunny
Hi 80 °F Lo 54 °F Hi 73 °F Lo 62 °F Hi 77 °F Lo 61 °F Hi 77 °F Lo 54 °F Hi 73 °F

 

Today
 
 Mostly sunny, with a high near 80. Calm wind becoming northeast around 5 mph.
Tonight
 
 Mostly cloudy, with a low around 54. Calm wind becoming east southeast around 5 mph.
Tuesday
 
 A 20 percent chance of showers after 11am. Mostly cloudy, with a high near 73. East wind 5 to 10 mph.
Tuesday Night
 
 A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 62. Southeast wind 5 to 10 mph.
Wednesday
 
 A 50 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 77. Breezy, with a south wind 5 to 15 mph, with gusts as high as 25 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
 Showers likely, mainly before 11pm. Mostly cloudy, with a low around 61. Breezy, with a south southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Christmas Day
 
 A 20 percent chance of showers before 11am. Sunny, with a high near 77. Southwest wind 5 to 10 mph.
Thursday Night
 
 Mostly cloudy, with a low around 54. Southwest wind around 5 mph becoming north after midnight.
Friday
 
 Partly sunny, with a high near 73. North northeast wind 5 to 10 mph becoming west northwest in the afternoon.
Friday Night
 
 Partly cloudy, with a low around 50. West northwest wind around 5 mph.
Saturday
 
 Mostly sunny, with a high near 70. North northwest wind 5 to 10 mph.
Saturday Night
 
 Partly cloudy, with a low around 49. North northwest wind around 10 mph.
Sunday
 
 Sunny, with a high near 70. Breezy, with a north northwest wind 10 to 15 mph, with gusts as high as 20 mph.

 

Forecast from NOAA-NWS for San Luis AZ.