Mountain Ranch, CA Weather & Growing Conditions
This Afternoon
58°F
Light Rain
Rain. Mostly cloudy. High near 58, with temperatures falling to around 51 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Light Rain | 5 mph SE | 78% |
| Tonight | 40°F | Mostly Clear | 5 mph ENE | 11% |
| Wednesday | 60°F | Sunny | 5 mph NNW | 0% |
| Wednesday Night | 43°F | Partly Cloudy | 5 mph NNE | 0% |
| Thursday | 63°F | Sunny | 5 mph WNW | 0% |
| Thursday Night | 44°F | Clear | 5 mph NE | 0% |
| Friday | 66°F | Sunny | 0 to 5 mph S | 0% |
| Friday Night | 48°F | Clear | 0 to 5 mph SE | 0% |
| Saturday | 71°F | Sunny | 0 to 5 mph S | 0% |
| Saturday Night | 50°F | Mostly Clear | 0 to 6 mph SE | 0% |
| Sunday | 72°F | Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 0 to 5 mph SE | 0% |
| Monday | 69°F | Mostly Sunny | 0 to 3 mph ENE | 0% |
| Monday Night | 50°F | Partly Cloudy | 0 to 3 mph NE | 0% |
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 Nov 4, 2026.