San Luis, AZ Weather & Growing Conditions
Today
107°F
Sunny
Sunny. High near 107, with temperatures falling to around 105 in the afternoon. Heat index values as high as 115. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 107°F | Sunny | 10 to 20 mph SSE | 2% |
| Tonight | 84°F | Mostly Clear | 10 to 20 mph SSE | 2% |
| Wednesday | 107°F | Sunny | 15 to 20 mph SSE | 0% |
| Wednesday Night | 84°F | Mostly Clear | 10 to 15 mph SSE | 0% |
| Thursday | 110°F | Sunny | 10 to 15 mph SSE | 1% |
| Thursday Night | 86°F | Mostly Clear | 5 to 10 mph SSE | 1% |
| Friday | 112°F | Sunny | 5 to 10 mph S | 1% |
| Friday Night | 87°F | Mostly Clear | 10 to 15 mph SSE | 1% |
| Saturday | 112°F | Sunny | 10 to 15 mph SSE | 1% |
| Saturday Night | 87°F | Mostly Clear | 10 to 15 mph SSE | 2% |
| Sunday | 109°F | Sunny | 15 to 20 mph SSE | 2% |
| Sunday Night | 84°F | Mostly Clear | 15 mph SSE | 1% |
| Monday | 108°F | Sunny | 15 to 20 mph SSE | 2% |
| Monday Night | 83°F | Mostly Clear | 10 to 15 mph SSE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Luis, AZ
Growing season
365 days
Hardiness zone
10a
Explore more for San Luis, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Yuma Mcas, Az (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.