San Luis, AZ Weather & Growing Conditions
This Afternoon
78°F
Sunny
Sunny, with a high near 78. North northwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 0 to 5 mph NNW | 0% |
| Tonight | 55°F | Partly Cloudy | 0 to 10 mph NNW | 0% |
| Wednesday | 80°F | Sunny | 5 to 15 mph NNW | 0% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 10 mph N | 0% |
| Thursday | 80°F | Sunny | 5 to 10 mph N | 0% |
| Thursday Night | 57°F | Mostly Clear | 0 to 10 mph N | 0% |
| Friday | 83°F | Sunny | 10 to 15 mph NNW | 0% |
| Friday Night | 59°F | Mostly Clear | 5 to 10 mph N | 0% |
| Saturday | 85°F | Sunny | 10 to 15 mph N | 0% |
| Saturday Night | 60°F | Mostly Clear | 5 to 15 mph N | 1% |
| Sunday | 85°F | Sunny | 5 to 15 mph NNE | 3% |
| Sunday Night | 62°F | Partly Cloudy | 5 to 10 mph N | 2% |
| Monday | 84°F | Mostly Sunny | 5 to 10 mph NNE | 2% |
| Monday Night | 61°F | Partly Cloudy | 0 to 5 mph E | 2% |
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 Nov 4, 2026.