Bystrom, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bystrom, a community in Stanislaus County, California.
Tonight
60°F
Clear
Clear, with a low around 60. East northeast wind around 2 mph.
7-day forecast for Bystrom
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Clear | 2 mph ENE | 0% |
| Saturday | 89°F | Sunny | 2 to 6 mph NNW | 0% |
| Saturday Night | 63°F | Partly Cloudy | 2 to 6 mph NNW | 0% |
| Sunday | 86°F | Partly Sunny | 3 to 7 mph NW | 0% |
| Sunday Night | 61°F | Mostly Cloudy | 7 mph NW | 0% |
| Monday | 88°F | Sunny | 6 mph NW | 0% |
| Monday Night | 61°F | Mostly Clear | 6 mph NW | 0% |
| Tuesday | 90°F | Sunny | 6 mph NW | 0% |
| Tuesday Night | 63°F | Clear | 1 to 6 mph NNW | 0% |
| Wednesday | 95°F | Sunny | 5 mph NW | 0% |
| Wednesday Night | 68°F | Mostly Clear | 5 mph NW | 0% |
| Thursday | 97°F | Sunny | 5 mph NNW | 0% |
| Thursday Night | 68°F | Mostly Clear | 5 mph NNW | 0% |
| Friday | 93°F | Sunny | 2 to 8 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Bystrom (37.619, -120.981). Updated through the day.
Growing snapshot for Bystrom
Last spring frost
Jan 31
First fall frost
Dec 5
Growing season
312 days
Hardiness zone
9b
More local growing data for Bystrom: nearby ZIP 95351 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Modesto City Co Ap, Ca (2.6 mi from Bystrom). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.