San Luis, AZ Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for San Luis, AZ in one place.
A slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 91. East wind around 5 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for San Luis, AZ is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 22, 2026 8:00 AM MST.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for San Luis, AZ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 8:00 AM MST
- Forecast office
- TWC
- Source
- NOAA / NWS
Daily Outlook
This Week in San Luis
Saturday looks like the warmest upcoming period in San Luis at 98 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Monday at about 2 to 7 mph SSW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 22, 2026 8:00 AM MST
- Coverage
- 7 days
- Time zone
- America/Phoenix
- Forecast office
- TWC
- Radar station
- KIWA
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 5am. Mostly cloudy, with a low around 72. East southeast wind 1 to 5 mph. Chance of precipitation is 30%.
A slight chance of rain showers between 11am and 2pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 90. Northeast wind 1 to 6 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 5am. Mostly clear, with a low around 73. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms between 11am and 5pm. Sunny, with a high near 94.
Mostly clear, with a low around 75.
Sunny, with a high near 98.
A slight chance of rain showers after 5am. Partly cloudy, with a low around 75.
A slight chance of rain showers before 11am, then a slight chance of showers and thunderstorms between 11am and 5pm. Mostly sunny, with a high near 95.
Partly cloudy, with a low around 75.
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 94. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Slight Chance Showers And Thunderstorms
|
91°F |
5 mph
E
|
|
Wednesday Night
Sep 23
|
Chance Showers And Thunderstorms
|
72°F |
1 to 5 mph
ESE
|
|
Thursday
Sep 24
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
90°F |
1 to 6 mph
NE
|
|
Thursday Night
Sep 24
|
Slight Chance Showers And Thunderstorms
|
73°F |
0 to 3 mph
NE
|
|
Friday
Sep 25
|
Slight Chance Showers And Thunderstorms
|
94°F |
0 to 3 mph
NE
|
|
Friday Night
Sep 25
|
Mostly Clear
|
75°F |
2 mph
NNW
|
|
Saturday
Sep 26
|
Sunny
|
98°F |
0 to 5 mph
SSE
|
|
Saturday Night
Sep 26
|
Partly Cloudy then Slight Chance Rain Showers
|
75°F |
5 mph
SSW
|
|
Sunday
Sep 27
|
Slight Chance Showers And Thunderstorms
|
95°F |
5 mph
S
|
|
Sunday Night
Sep 27
|
Partly Cloudy
|
75°F |
5 mph
SW
|
|
Monday
Sep 28
|
Slight Chance Showers And Thunderstorms
|
94°F |
2 to 7 mph
SSW
|
|
Monday Night
Sep 28
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
2 to 6 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Luis.
