Mountain House, CA Weather & Growing Conditions
Today
68°F
Sunny
Sunny. High near 68, with temperatures falling to around 65 in the afternoon. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Sunny | 6 to 14 mph NW | 0% |
| Tonight | 52°F | Partly Cloudy | 9 mph WSW | 1% |
| Thursday | 71°F | Sunny | 3 to 10 mph NW | 0% |
| Thursday Night | 52°F | Mostly Clear | 6 mph WSW | 0% |
| Friday | 71°F | Sunny | 1 to 7 mph NW | 0% |
| Friday Night | 52°F | Mostly Clear | 2 mph WNW | 0% |
| Saturday | 74°F | Sunny | 0 to 5 mph NNE | 0% |
| Saturday Night | 54°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 73°F | Sunny | 2 to 6 mph WNW | 0% |
| Sunday Night | 55°F | Partly Cloudy | 2 mph WSW | 0% |
| Monday | 72°F | Mostly Sunny | 5 mph WNW | 0% |
| Monday Night | 54°F | Partly Cloudy | 2 to 6 mph W | 1% |
| Tuesday | 73°F | Sunny | 2 to 6 mph WNW | 1% |
| Tuesday Night | 55°F | Mostly Clear | 5 mph WSW | 3% |
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.