Winton, CA Weather & Growing Conditions

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

This Afternoon

68°F

Chance Light Rain

A chance of rain before 4pm. Mostly cloudy. High near 68, with temperatures falling to around 62 in the afternoon. West wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Winton

When	Temp	Forecast	Wind	Precip
This Afternoon	68°F	Chance Light Rain	5 mph W	40%
Tonight	47°F	Partly Cloudy	0 to 10 mph N	11%
Wednesday	68°F	Sunny	5 to 10 mph NW	0%
Wednesday Night	46°F	Partly Cloudy	0 to 5 mph NNW	0%
Thursday	70°F	Mostly Sunny	0 to 10 mph NNW	0%
Thursday Night	45°F	Mostly Clear	0 to 5 mph N	0%
Friday	72°F	Sunny	0 to 5 mph NNW	0%
Friday Night	46°F	Mostly Clear	0 to 5 mph N	0%
Saturday	75°F	Sunny	0 mph	0%
Saturday Night	48°F	Mostly Clear	0 mph	0%
Sunday	75°F	Sunny	0 to 5 mph NNW	0%
Sunday Night	49°F	Partly Cloudy	0 to 5 mph NNW	0%
Monday	74°F	Mostly Sunny	0 to 5 mph NNW	0%
Monday Night	49°F	Partly Cloudy	0 to 5 mph NW	1%

Forecast source: National Weather Service (api.weather.gov) for Winton (37.385, -120.617). Updated through the day.

Growing snapshot for Winton

Last spring frost

Mar 3

First fall frost

Nov 24

Growing season

263 days

Hardiness zone

More local growing data for Winton: nearby ZIP 95388 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Atwater Ballico Bear Creek Cressey Delhi Dos Palos Dos Palos Y El Nido Franklin Gustine Hilmar-Irwin Le Grand Livingston Los Banos McSwain Merced Planada Santa Nella Snelling South Dos Palos Stevinson Tuttle University of California-Merced Volta

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Climate data from the nearest NOAA station, Merced, Ca (10.2 mi from Winton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.