San Luis, AZ Weather Forecast

Local 7-day forecast

100°
F

Sunny then Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for San Luis, AZ in one place.

Tuesday, July 14, 2026
Wind: 2 to 13 mph S
Tuesday

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 7-day forecast

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
Next High
100°F
Tuesday
Next Low
80°F
Tuesday Night
Rain Outlook
13
Periods mentioning precipitation
Windiest
3 to 14 mph
Tuesday Night

Daily Outlook

Today
Jul 14
Sunny then Chance Showers And Thunderstorms
100 °F
/ 80°F
Wind 2 to 13 mph
Wed
Jul 15
Chance Showers And Thunderstorms
100 °F
/ 78°F
Wind 5 mph
Thu
Jul 16
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
96 °F
/ 76°F
Wind 6 mph
Fri
Jul 17
Showers And Thunderstorms Likely
92 °F
/ 75°F
Wind 6 mph
Sat
Jul 18
Chance Showers And Thunderstorms
94 °F
/ 77°F
Wind 3 mph
Sun
Jul 19
Chance Showers And Thunderstorms
96 °F
/ 77°F
Wind 3 mph
Mon
Jul 20
Chance Showers And Thunderstorms
95 °F
Wind 5 mph

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 source

Extended Forecast

Tuesday Night
Jul 14
80°F
Chance Showers And Thunderstorms
3 to 14 mph SW

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%.

Wednesday
Jul 15
100°F
Chance Showers And Thunderstorms
5 mph NNE

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%.

Wednesday Night
Jul 15
78°F
Chance Showers And Thunderstorms
5 mph S

A chance of showers and thunderstorms. Mostly cloudy, with a low around 78. South wind around 5 mph. Chance of precipitation is 40%.

Thursday
Jul 16
96°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
6 mph SSW

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%.

Thursday Night
Jul 16
76°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
5 mph SSW

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%.

Friday
Jul 17
92°F
Showers And Thunderstorms Likely
6 mph SSW

Showers and thunderstorms likely. Partly sunny, with a high near 92. Chance of precipitation is 60%.

Friday Night
Jul 17
75°F
Showers And Thunderstorms Likely
5 mph SSW

Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

Saturday
Jul 18
94°F
Chance Showers And Thunderstorms
3 mph SW

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%.

Saturday Night
Jul 18
77°F
Chance Showers And Thunderstorms
3 mph SW

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%.

Sunday
Jul 19
96°F
Chance Showers And Thunderstorms
3 mph W

A chance of showers and thunderstorms. Partly sunny, with a high near 96. Chance of precipitation is 30%.

Sunday Night
Jul 19
77°F
Chance Showers And Thunderstorms
6 mph SW

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%.

Monday
Jul 20
95°F
Chance Showers And Thunderstorms
5 mph SSW

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
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City of San Luis logo seal image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.