San Luis, AZ Weather & Growing Conditions
Today
103°F
Sunny
Sunny, with a high near 103. West northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 103°F | Sunny | 5 mph WNW | 0% |
| Tonight | 72°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Sunday | 102°F | Sunny | 5 to 10 mph SE | 0% |
| Sunday Night | 77°F | Partly Cloudy | 5 to 10 mph SE | 0% |
| Monday | 101°F | Mostly Sunny | 5 to 10 mph SE | 0% |
| Monday Night | 74°F | Mostly Clear | 0 to 5 mph E | 0% |
| Tuesday | 101°F | Sunny | 5 mph WNW | 0% |
| Tuesday Night | 75°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Wednesday | 104°F | Sunny | 5 mph SE | 1% |
| Wednesday Night | 78°F | Mostly Clear | 5 mph SE | 4% |
| Thursday | 104°F | Sunny | 5 mph ESE | 8% |
| Thursday Night | 80°F | Mostly Clear then Slight Chance Rain Showers | 5 mph SE | 15% |
| Friday | 105°F | Slight Chance Rain Showers then Sunny | 5 mph ESE | 15% |
| Friday Night | 81°F | Mostly Clear | 5 mph SE | 3% |
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 Sep 19, 2026.