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Gustine, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Gustine, a city in Merced County, California.

Overnight
66°F
Clear
Clear. Low around 66, with temperatures rising to around 68 overnight. West northwest wind 0 to 5 mph.

7-day forecast for Gustine

WhenTempForecastWindPrecip
Overnight 66°F Clear 0 to 5 mph WNW 0%
Tuesday 104°F Sunny 5 to 10 mph NW 0%
Tuesday Night 65°F Clear 5 mph WNW 0%
Wednesday 104°F Sunny 5 mph NW 0%
Wednesday Night 65°F Clear 5 mph W 0%
Thursday 104°F Sunny 0 to 5 mph NW 0%
Thursday Night 66°F Clear 0 to 5 mph WNW 0%
Friday 104°F Sunny 5 mph NW 0%
Friday Night 68°F Clear 0 to 5 mph WNW 0%
Saturday 105°F Sunny 0 to 5 mph NW 0%
Saturday Night 68°F Mostly Clear 0 to 5 mph W 0%
Sunday 102°F Sunny 5 to 10 mph W 0%
Sunday Night 64°F Mostly Clear 5 to 10 mph WSW 0%
Monday 97°F Sunny 5 to 10 mph W 0%

Forecast source: National Weather Service (api.weather.gov) for Gustine (37.253, -120.996). Updated through the day.

Growing snapshot for Gustine

Last spring frost
Feb 26
First fall frost
Nov 29
Growing season
273 days
Hardiness zone
9b

More local growing data for Gustine: nearby ZIP 95322 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Newman, Ca (6.8 mi from Gustine). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.