Mountain House, CA Weather & Growing Conditions
Overnight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. West northwest wind around 13 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Partly Cloudy | 13 mph WNW | 0% |
| Wednesday | 68°F | Sunny | 7 to 14 mph NW | 1% |
| Wednesday Night | 52°F | Mostly Cloudy | 10 mph WSW | 1% |
| Thursday | 71°F | Mostly Sunny | 3 to 12 mph WNW | 0% |
| Thursday Night | 52°F | Clear | 5 mph WSW | 0% |
| Friday | 72°F | Sunny | 1 to 6 mph NW | 0% |
| Friday Night | 53°F | Mostly Clear | 1 mph NW | 0% |
| Saturday | 74°F | Sunny | 0 to 5 mph NNE | 0% |
| Saturday Night | 54°F | Mostly Clear | 3 mph WSW | 0% |
| Sunday | 73°F | Sunny | 2 to 6 mph NW | 0% |
| Sunday Night | 55°F | Partly Cloudy | 2 mph W | 0% |
| Monday | 72°F | Mostly Sunny | 5 mph W | 0% |
| Monday Night | 55°F | Partly Cloudy | 2 to 6 mph WSW | 1% |
| Tuesday | 72°F | Sunny | 1 to 6 mph WNW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mountain House, CA
Last spring frost
Jan 19
First fall frost
Dec 10
Growing season
330 days
Hardiness zone
9b
Explore more for Mountain House, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Tracy Pumping Plt, Ca (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.