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San Luis, AZ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for San Luis, a city in Yuma County, Arizona.

This Afternoon
78°F
Sunny
Sunny, with a high near 78. North northwest wind around 5 mph.

7-day forecast for San Luis

WhenTempForecastWindPrecip
This Afternoon 78°F Sunny 5 mph NNW 0%
Tonight 56°F Partly Cloudy 0 to 10 mph NNW 0%
Wednesday 80°F Sunny 5 to 15 mph NNW 0%
Wednesday Night 56°F Mostly Clear 0 to 10 mph NNW 0%
Thursday 80°F Sunny 5 to 10 mph N 0%
Thursday Night 58°F Mostly Clear 5 to 10 mph N 0%
Friday 83°F Sunny 10 to 15 mph N 0%
Friday Night 60°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 62°F Partly Cloudy 0 to 5 mph E 2%

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

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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 Nov 4, 2026.