Mountain View, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mountain View, a community in Contra Costa County, California.
Overnight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. East southeast wind around 6 mph.
7-day forecast for Mountain View
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Partly Cloudy | 6 mph ESE | 0% |
| Wednesday | 67°F | Sunny | 2 to 7 mph NW | 2% |
| Wednesday Night | 49°F | Mostly Cloudy | 2 to 6 mph W | 2% |
| Thursday | 71°F | Patchy Fog then Mostly Sunny | 2 mph WNW | 0% |
| Thursday Night | 49°F | Mostly Clear | 3 mph WSW | 0% |
| Friday | 72°F | Sunny | 2 mph NE | 0% |
| Friday Night | 49°F | Mostly Clear | 1 mph NE | 0% |
| Saturday | 72°F | Sunny | 1 to 6 mph NE | 0% |
| Saturday Night | 50°F | Mostly Clear | 1 mph WNW | 0% |
| Sunday | 72°F | Mostly Sunny | 3 mph NW | 0% |
| Sunday Night | 51°F | Partly Cloudy | 2 mph W | 0% |
| Monday | 70°F | Mostly Sunny | 3 mph WSW | 2% |
| Monday Night | 50°F | Partly Cloudy | 2 mph WSW | 2% |
| Tuesday | 70°F | Sunny | 2 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov) for Mountain View (38.009, -122.117). Updated through the day.
Growing snapshot for Mountain View
Last spring frost
Feb 28
First fall frost
Nov 22
Growing season
266 days
Hardiness zone
9b
More local growing data for Mountain View: nearby ZIP 94553 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Martinez Wtp, Ca (3.4 mi from Mountain View). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.