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.

This Afternoon

86°F

Sunny

Sunny. High near 86, with temperatures falling to around 82 in the afternoon. West southwest wind around 10 mph.

7-day forecast for Mountain View

When	Temp	Forecast	Wind	Precip
This Afternoon	86°F	Sunny	10 mph WSW	0%
Tonight	57°F	Partly Cloudy	9 mph SW	0%
Sunday	75°F	Partly Sunny	6 to 9 mph SW	0%
Sunday Night	57°F	Mostly Cloudy	9 mph SW	0%
Monday	75°F	Mostly Sunny	8 to 12 mph SW	1%
Monday Night	57°F	Partly Cloudy	7 to 12 mph SW	1%
Tuesday	78°F	Sunny	6 to 10 mph SW	0%
Tuesday Night	57°F	Mostly Clear	2 to 10 mph SW	0%
Wednesday	91°F	Sunny	1 to 6 mph WSW	0%
Wednesday Night	61°F	Mostly Clear	2 to 6 mph WSW	0%
Thursday	93°F	Sunny	1 to 7 mph W	0%
Thursday Night	62°F	Mostly Clear	7 mph SW	0%
Friday	85°F	Sunny	6 to 10 mph SW	0%
Friday Night	59°F	Mostly Clear	7 to 10 mph SW	0%

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

More local growing data for Mountain View: nearby ZIP 94553 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

Acalanes Ridge Alamo Alhambra Valley Antioch Bay Point Bayview Benicia Bethel Island Blackhawk Brentwood Byron Castle Hill Clayton Clyde Concord Contra Costa Centre Crockett Danville Diablo Discovery Bay East Richmond Heights El Cerrito El Sobrante Hercules Knightsen Lafayette Martinez Montalvin Manor Moraga Norris Canyon

All California locations ›

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 Sep 20, 2026.