National Weather Service Forecast for: San Luis AZ
Issued by: National Weather Service Phoenix, AZ
Updated: 9:46 pm MST Dec 22, 2025
 
Tonight

Tonight: Mostly cloudy, with a low around 53. Calm wind becoming east around 5 mph.
Mostly Cloudy

 Tuesday

Tuesday: A slight chance of showers before noon, then a chance of showers after 1pm. Mostly cloudy, with a high near 72. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 30%.
Chance
Showers
 Tuesday
Night
Tuesday Night: A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 61. East southeast wind 5 to 10 mph.
Chance
Showers then
Mostly Cloudy
 Wednesday

Wednesday: A 30 percent chance of showers after 11am. Partly sunny, with a high near 77. Breezy, with an east southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Chance
Showers and
Breezy
 Wednesday
Night
Wednesday Night: Showers likely. Mostly cloudy, with a low around 63. South southeast wind 5 to 10 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
 Christmas
Day
Christmas Day: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 78. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Slight Chance
Showers then
Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 54. West southwest wind around 5 mph becoming northeast after midnight.
Partly Cloudy

 Friday

Friday: Mostly cloudy, with a high near 73. East southeast wind around 5 mph becoming west in the afternoon.
Mostly Cloudy

 Friday
Night
Friday Night: Mostly cloudy, with a low around 52. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Cloudy
Lo 53 °F Hi 72 °F Lo 61 °F Hi 77 °F Lo 63 °F Hi 78 °F Lo 54 °F Hi 73 °F Lo 52 °F

 

Tonight
 
 Mostly cloudy, with a low around 53. Calm wind becoming east around 5 mph.
Tuesday
 
 A slight chance of showers before noon, then a chance of showers after 1pm. Mostly cloudy, with a high near 72. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 30%.
Tuesday Night
 
 A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 61. East southeast wind 5 to 10 mph.
Wednesday
 
 A 30 percent chance of showers after 11am. Partly sunny, with a high near 77. Breezy, with an east southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
 
 Showers likely. Mostly cloudy, with a low around 63. South southeast wind 5 to 10 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. Mostly sunny, with a high near 78. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
 
 Partly cloudy, with a low around 54. West southwest wind around 5 mph becoming northeast after midnight.
Friday
 
 Mostly cloudy, with a high near 73. East southeast wind around 5 mph becoming west in the afternoon.
Friday Night
 
 Mostly cloudy, with a low around 52. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
 
 Mostly sunny, with a high near 68. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
 
 Partly cloudy, with a low around 50. North northwest wind 5 to 10 mph.
Sunday
 
 Mostly sunny, with a high near 68. Breezy, with a north wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
 
 Partly cloudy, with a low around 50. North northwest wind around 10 mph.
Monday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 68. North wind around 10 mph, with gusts as high as 20 mph.

 

Forecast from NOAA-NWS for San Luis AZ.