Winton, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winton, a community in Merced County, California.
This Afternoon
69°F
Sunny
Sunny. High near 69, with temperatures falling to around 64 in the afternoon. North northwest wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Winton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Sunny | 10 mph NNW | 1% |
| Tonight | 46°F | Partly Cloudy then Patchy Fog | 0 to 5 mph NNW | 1% |
| Thursday | 70°F | Mostly Sunny | 0 to 10 mph NW | 0% |
| Thursday Night | 45°F | Clear | 0 to 5 mph N | 0% |
| Friday | 71°F | Sunny | 0 to 5 mph N | 0% |
| Friday Night | 45°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 75°F | Sunny | 0 to 5 mph SE | 0% |
| Saturday Night | 47°F | Mostly Clear | 0 mph | 0% |
| Sunday | 75°F | Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 47°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
| Monday | 73°F | Mostly Sunny | 0 to 5 mph NNW | 0% |
| Monday Night | 48°F | Partly Cloudy | 0 to 5 mph NNW | 0% |
| Tuesday | 74°F | Sunny | 0 to 5 mph NW | 1% |
| Tuesday Night | 49°F | Mostly Clear | 0 to 5 mph NNE | 2% |
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
9b
More local growing data for Winton: nearby ZIP 95388 weather · frost dates · planting calendar · California frost dates
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University of California-Merced
Volta
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 5, 2026.