Cowan, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cowan, a community in Stanislaus County, California.
This Afternoon
85°F
Sunny
Sunny, with a high near 85. Northwest wind around 9 mph, with gusts as high as 18 mph.
7-day forecast for Cowan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Sunny | 9 mph NW | 0% |
| Tonight | 58°F | Clear | 0 to 8 mph NE | 0% |
| Saturday | 89°F | Sunny | 2 to 7 mph NW | 0% |
| Saturday Night | 61°F | Partly Cloudy | 1 to 6 mph NW | 0% |
| Sunday | 86°F | Partly Sunny | 3 to 7 mph NW | 0% |
| Sunday Night | 60°F | Partly Cloudy | 3 to 7 mph NW | 0% |
| Monday | 88°F | Sunny | 6 mph NNW | 0% |
| Monday Night | 60°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Tuesday | 90°F | Sunny | 6 mph NNW | 0% |
| Tuesday Night | 62°F | Clear | 0 to 6 mph NNW | 0% |
| Wednesday | 94°F | Sunny | 2 to 6 mph NNW | 0% |
| Wednesday Night | 66°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Thursday | 97°F | Sunny | 5 mph NNW | 0% |
| Thursday Night | 67°F | Mostly Clear | 5 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cowan (37.560, -120.989). Updated through the day.
Growing snapshot for Cowan
Last spring frost
Jan 31
First fall frost
Dec 5
Growing season
312 days
Hardiness zone
9b
More local growing data for Cowan: nearby ZIP 95307 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Modesto City Co Ap, Ca (4.7 mi from Cowan). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.