Mount Vista, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Mount Vista, a community in Clark County, Washington.

Tonight

52°F

Partly Cloudy then Patchy Fog

Patchy fog after 5am. Partly cloudy, with a low around 52. North northwest wind around 2 mph.

7-day forecast for Mount Vista

When	Temp	Forecast	Wind	Precip
Tonight	52°F	Partly Cloudy then Patchy Fog	2 mph NNW	0%
Saturday	78°F	Patchy Fog then Partly Sunny	1 to 5 mph NNW	0%
Saturday Night	53°F	Mostly Clear	5 mph NNW	0%
Sunday	80°F	Sunny	3 to 8 mph NNW	0%
Sunday Night	53°F	Mostly Clear	5 to 8 mph NNW	0%
Monday	75°F	Mostly Sunny	3 to 9 mph NW	0%
Monday Night	53°F	Partly Cloudy	2 to 9 mph NW	0%
Tuesday	72°F	Mostly Sunny	2 to 8 mph NNW	0%
Tuesday Night	50°F	Partly Cloudy	1 to 8 mph NNW	0%
Wednesday	71°F	Patchy Fog then Partly Sunny	1 to 5 mph NNW	1%
Wednesday Night	51°F	Mostly Cloudy	5 mph NNW	1%
Thursday	70°F	Partly Sunny	2 to 9 mph NNW	12%
Thursday Night	50°F	Mostly Cloudy	5 to 9 mph NNW	12%
Friday	68°F	Partly Sunny	5 to 8 mph NNW	9%

Forecast source: National Weather Service (api.weather.gov) for Mount Vista (45.737, -122.632). Updated through the day.

Growing snapshot for Mount Vista

Last spring frost

Apr 26

First fall frost

Oct 18

Growing season

177 days

Hardiness zone

More local growing data for Mount Vista: nearby ZIP 98686 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Vancouver 4 Nne, Wa (3.4 mi from Mount Vista). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.