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San Augustine Plaza, AZ Weather Forecast
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San Augustine Plaza Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  | |  |  | | | | | | | |
| Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Partly Cloudy |
| Lo: 76°FLo: 24°C | Hi: 101°FHi: 38°C | Lo: 78°FLo: 26°C | Hi: 103°FHi: 39°C | Lo: 80°FLo: 27°C | Hi: 104°FHi: 40°C | Lo: 79°FLo: 26°C | Hi: 104°FHi: 40°C | Lo: 80°FLo: 27°C | Hi: 104°FHi: 40°C | Lo: 80°FLo: 27°C | Hi: 105°FHi: 41°C |
| POP: 10% | POP: 10% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 212 PM MST Sat Aug 15 2026 
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San Augustine Plaza Forecast Discussion
Issued: 257 PM MST Sat Aug 15 2026
Discussion
...Aloft high pressure is centered well to the east over Louisiana putting southeast Arizona under southwesterly flow. There is also an easterly wave centered just southeast of Big Bend. The southwesterly flow has led to a decrease in moisture with GOES East total precipitable water ranging from 1.25" in western Pima County to 0.95" along the AZ/NM border. Still enough moisture for isolated storms mainly over the higher terrain south and east of Tucson as ...