San Luis, AZ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for San Luis, a city in Yuma County, Arizona.
Tonight
72°F
Mostly Clear
Mostly clear. Low around 72, with temperatures rising to around 74 overnight. Northwest wind 0 to 10 mph.
7-day forecast for San Luis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Mostly Clear | 0 to 10 mph NW | 0% |
| Saturday | 103°F | Sunny | 5 to 10 mph WSW | 0% |
| Saturday Night | 72°F | Mostly Clear | 0 to 5 mph S | 0% |
| Sunday | 101°F | Mostly Sunny | 5 to 10 mph SE | 0% |
| Sunday Night | 77°F | Mostly Cloudy | 5 to 10 mph SE | 0% |
| Monday | 100°F | Sunny | 5 to 10 mph SE | 0% |
| Monday Night | 74°F | Clear | 0 to 10 mph E | 0% |
| Tuesday | 101°F | Sunny | 5 mph ESE | 2% |
| Tuesday Night | 75°F | Mostly Clear | 0 to 5 mph SE | 2% |
| Wednesday | 104°F | Sunny | 5 mph SE | 1% |
| Wednesday Night | 79°F | Mostly Clear | 5 mph SSE | 2% |
| Thursday | 105°F | Sunny | 5 mph ESE | 5% |
| Thursday Night | 82°F | Partly Cloudy | 5 mph ESE | 8% |
| Friday | 105°F | Mostly Sunny | 5 to 10 mph ESE | 7% |
Forecast source: National Weather Service (api.weather.gov) for San Luis (32.486, -114.722). Updated through the day.
Growing snapshot for San Luis
Growing season
365 days
Hardiness zone
10a
More local growing data for San Luis: nearby ZIP 85336 weather · frost dates · planting calendar · Arizona frost dates
Nearby towns & communities
Avenue B and C
Donovan Estates
Drysdale
Fortuna Foothills
Gadsden
Orange Grove Mobile Manor
Padre Ranchitos
Rancho Mesa Verde
Somerton
Tacna
Wall Lane
Wellton
Wellton Hills
Yuma
Climate data from the nearest NOAA station, Yuma Mcas, Az (12.3 mi from San Luis). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.