Twain Harte, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Twain Harte, a community in Tuolumne County, California.
Overnight
40°F
Mostly Clear
Mostly clear, with a low around 40. East northeast wind around 5 mph.
7-day forecast for Twain Harte
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 40°F | Mostly Clear | 5 mph ENE | 0% |
| Wednesday | 58°F | Sunny | 2 to 6 mph NW | 1% |
| Wednesday Night | 45°F | Mostly Cloudy | 5 mph NE | 1% |
| Thursday | 61°F | Mostly Sunny | 3 mph NW | 0% |
| Thursday Night | 47°F | Clear | 1 to 6 mph N | 0% |
| Friday | 65°F | Sunny | 0 to 5 mph S | 0% |
| Friday Night | 51°F | Mostly Clear | 1 to 5 mph NNW | 0% |
| Saturday | 70°F | Sunny | 0 to 5 mph S | 0% |
| Saturday Night | 50°F | Mostly Clear | 1 to 6 mph ENE | 0% |
| Sunday | 68°F | Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 1 to 5 mph NE | 0% |
| Monday | 67°F | Mostly Sunny | 0 to 3 mph S | 0% |
| Monday Night | 50°F | Partly Cloudy | 3 mph ENE | 1% |
| Tuesday | 65°F | Sunny | 0 to 3 mph WNW | 3% |
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
8b
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
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.