San Luis, AZ Weather Forecast
Local 7-day forecast
Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for San Luis, AZ in one place.
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 100. Heat index values as high as 100. South wind 2 to 13 mph. Chance of precipitation is 30%.
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: Jul 14, 2026 1:49 AM MST.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for San Luis, AZ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 1:49 AM MST
- Forecast office
- TWC
- Source
- NOAA / NWS
Daily Outlook
This Week in San Luis
Tuesday looks like the warmest upcoming period in San Luis at 100 degrees F.
Friday Night is the coolest period ahead with temperatures near 75 degrees F.
The strongest winds are forecast for Tuesday Night at about 3 to 14 mph SW.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 1:49 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 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Southwest wind 3 to 14 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 100. Heat index values as high as 100. North northeast wind around 5 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 78. South wind around 5 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before 11am, then showers and thunderstorms likely between 11am and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 96. Chance of precipitation is 70%.
Showers and thunderstorms likely before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Showers and thunderstorms likely. Partly sunny, with a high near 92. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 5am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly sunny, with a high near 96. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 95.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny then Chance Showers And Thunderstorms
|
100°F |
2 to 13 mph
S
|
|
Tuesday Night
Jul 14
|
Chance Showers And Thunderstorms
|
80°F |
3 to 14 mph
SW
|
|
Wednesday
Jul 15
|
Chance Showers And Thunderstorms
|
100°F |
5 mph
NNE
|
|
Wednesday Night
Jul 15
|
Chance Showers And Thunderstorms
|
78°F |
5 mph
S
|
|
Thursday
Jul 16
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
96°F |
6 mph
SSW
|
|
Thursday Night
Jul 16
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
76°F |
5 mph
SSW
|
|
Friday
Jul 17
|
Showers And Thunderstorms Likely
|
92°F |
6 mph
SSW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
75°F |
5 mph
SSW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
94°F |
3 mph
SW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
77°F |
3 mph
SW
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
96°F |
3 mph
W
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
77°F |
6 mph
SW
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
95°F |
5 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Luis.