Harman US

Mountain Ranch, CA Weather & Growing Conditions

Today
81°F
Sunny
Sunny, with a high near 81. Southwest wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 81°F Sunny 5 mph SW 0%
Tonight 60°F Partly Cloudy 5 mph NNE 0%
Sunday 82°F Patchy Smoke 3 mph SW 0%
Sunday Night 61°F Mostly Cloudy 3 mph NNE 0%
Monday 81°F Mostly Sunny 5 mph W 0%
Monday Night 59°F Mostly Clear 3 mph NNE 0%
Tuesday 81°F Sunny 5 mph WSW 1%
Tuesday Night 60°F Clear 5 mph NE 0%
Wednesday 87°F Sunny 6 mph W 0%
Wednesday Night 63°F Mostly Clear 5 mph NE 0%
Thursday 90°F Sunny 6 mph SW 0%
Thursday Night 64°F Mostly Clear 6 mph NE 0%
Friday 85°F Sunny 6 mph SSW 1%
Friday Night 61°F Partly Cloudy 5 mph NNE 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Mountain Ranch, CA

Last spring frost
May 7
First fall frost
Oct 28
Growing season
169 days
Hardiness zone
9a

Explore more for Mountain Ranch, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Calaveras Big Trees, Ca (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.