Twain Harte, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Twain Harte, a community in Tuolumne County, California.

Tonight

40°F

Slight Chance Light Rain then Mostly Clear

A slight chance of rain before 8pm. Mostly clear, with a low around 40. East wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Twain Harte

When	Temp	Forecast	Wind	Precip
Tonight	40°F	Slight Chance Light Rain then Mostly Clear	5 mph E	16%
Wednesday	57°F	Sunny	5 mph NW	0%
Wednesday Night	44°F	Partly Cloudy	3 mph NE	0%
Thursday	60°F	Sunny	1 to 5 mph W	0%
Thursday Night	46°F	Clear	1 to 5 mph NNE	0%
Friday	64°F	Sunny	0 to 5 mph S	0%
Friday Night	51°F	Clear	1 to 5 mph NNW	0%
Saturday	70°F	Sunny	0 to 5 mph WNW	0%
Saturday Night	51°F	Mostly Clear	1 to 6 mph ENE	0%
Sunday	71°F	Sunny	0 to 5 mph NW	0%
Sunday Night	53°F	Partly Cloudy	3 mph NNW	0%
Monday	67°F	Mostly Sunny	0 to 3 mph SSW	0%
Monday Night	51°F	Partly Cloudy	3 mph NE	0%
Tuesday	66°F	Mostly Sunny	3 mph SW	7%

Forecast source: National Weather Service (api.weather.gov) for Twain Harte (38.037, -120.234). Updated through the day.

Growing snapshot for Twain Harte

Last spring frost

Apr 9

First fall frost

Nov 9

Growing season

213 days

Hardiness zone

More local growing data for Twain Harte: nearby ZIP 95372 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Cedar Ridge Chinese Camp Cold Springs East Sonora Groveland Jamestown La Grange Lake Don Pedro Long Barn Mi-Wuk Village Mono Vista Phoenix Lake Pine Mountain Lake Sierra Village Sonora Soulsbyville Strawberry Tuolumne City

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Climate data from the nearest NOAA station, Sonora, Ca (7 mi from Twain Harte). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.