Mountain House, CA Weather & Growing Conditions
This Afternoon
85°F
Sunny
Sunny, with a high near 85. West northwest wind around 9 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Sunny | 9 mph WNW | 0% |
| Tonight | 60°F | Clear | 12 to 21 mph WSW | 0% |
| Saturday | 90°F | Sunny | 7 to 13 mph W | 0% |
| Saturday Night | 61°F | Mostly Cloudy | 9 to 16 mph WSW | 0% |
| Sunday | 83°F | Partly Sunny | 9 to 14 mph W | 1% |
| Sunday Night | 60°F | Mostly Cloudy | 9 to 21 mph WSW | 1% |
| Monday | 86°F | Sunny | 12 to 20 mph W | 0% |
| Monday Night | 60°F | Mostly Clear | 13 mph WSW | 0% |
| Tuesday | 89°F | Sunny | 7 to 10 mph W | 0% |
| Tuesday Night | 63°F | Clear | 8 mph WSW | 0% |
| Wednesday | 95°F | Sunny | 6 mph NW | 0% |
| Wednesday Night | 68°F | Mostly Clear | 6 mph WSW | 0% |
| Thursday | 96°F | Sunny | 7 mph WNW | 0% |
| Thursday Night | 68°F | Mostly Clear | 7 to 10 mph WSW | 0% |
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 Sep 19, 2026.