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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.

Overnight
85°F
Partly Cloudy
Partly cloudy. Low around 85, with temperatures rising to around 87 overnight. South southeast wind around 10 mph, with gusts as high as 25 mph.

7-day forecast for San Luis

WhenTempForecastWindPrecip
Overnight 85°F Partly Cloudy 10 mph SSE 1%
Tuesday 107°F Sunny 10 to 20 mph SSE 2%
Tuesday Night 84°F Mostly Clear 10 to 20 mph SSE 2%
Wednesday 107°F Sunny 15 to 20 mph SSE 0%
Wednesday Night 84°F Partly Cloudy 10 to 15 mph SSE 0%
Thursday 110°F Sunny 10 to 15 mph SSE 1%
Thursday Night 86°F Partly Cloudy 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%

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 Aug 4, 2026.