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.

Tonight

39°F

Mostly Clear

Mostly clear, with a low around 39. East wind around 3 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Rail Road Flat

When	Temp	Forecast	Wind	Precip
Tonight	39°F	Mostly Clear	3 mph E	3%
Wednesday	60°F	Sunny	1 to 5 mph NW	0%
Wednesday Night	41°F	Partly Cloudy	3 mph NNE	0%
Thursday	63°F	Sunny	3 mph WNW	0%
Thursday Night	42°F	Clear	3 mph NNE	0%
Friday	67°F	Sunny	0 to 3 mph N	0%
Friday Night	46°F	Clear	0 to 5 mph ENE	0%
Saturday	71°F	Sunny	0 to 5 mph N	0%
Saturday Night	47°F	Mostly Clear	0 to 6 mph NE	0%
Sunday	72°F	Sunny	0 to 5 mph N	0%
Sunday Night	48°F	Partly Cloudy	2 mph ENE	0%
Monday	69°F	Mostly Sunny	0 to 3 mph NNE	0%
Monday Night	47°F	Partly Cloudy	2 mph NE	0%
Tuesday	68°F	Mostly Sunny	0 to 3 mph NE	6%

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

More local growing data for Rail Road Flat: nearby ZIP 95232 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Angels Arnold Avery Buckhorn Camanche North Shore Camanche Village Campo Seco Columbia Copperopolis Dorrington Douglas Flat Forest Meadows Glencoe Hathaway Pines Knights Ferry Mountain Ranch Murphys Orange Blossom Rancho Calaveras San Andreas Sheep Ranch Tuttletown Vallecito Valley Springs Wallace West Point Wilseyville

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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 Nov 4, 2026.