Rail Road Flat, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rail Road Flat, a community in Calaveras County, California.
Overnight
67°F
Clear
Clear, with a low around 67. East wind around 3 mph.
7-day forecast for Rail Road Flat
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Clear | 3 mph E | 0% |
| Tuesday | 95°F | Sunny | 5 mph SW | 0% |
| Tuesday Night | 66°F | Clear | 3 mph NNE | 0% |
| Wednesday | 94°F | Sunny | 5 mph SW | 0% |
| Wednesday Night | 66°F | Clear | 3 mph N | 0% |
| Thursday | 95°F | Sunny | 5 mph WSW | 0% |
| Thursday Night | 67°F | Clear | 5 mph N | 0% |
| Friday | 95°F | Sunny | 2 to 6 mph W | 0% |
| Friday Night | 68°F | Clear | 1 to 5 mph NW | 0% |
| Saturday | 96°F | Sunny | 2 to 6 mph WSW | 0% |
| Saturday Night | 68°F | Mostly Clear | 0 to 5 mph N | 0% |
| Sunday | 94°F | Sunny | 2 to 6 mph SSW | 0% |
| Sunday Night | 67°F | Mostly Clear | 5 mph N | 0% |
| Monday | 90°F | Sunny | 2 to 6 mph SSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Rail Road Flat (38.336, -120.550). Updated through the day.
Growing snapshot for Rail Road Flat
Last spring frost
Mar 4
First fall frost
Dec 11
Growing season
285 days
Hardiness zone
9a
More local growing data for Rail Road Flat: nearby ZIP 95232 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Sutter Hill Cdf, Ca (12.2 mi from Rail Road Flat). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.