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West Clarkston-Highland, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for West Clarkston-Highland, a community in Whitman County, Washington.

Overnight
39°F
Partly Cloudy
Partly cloudy, with a low around 39. South wind around 1 mph.

7-day forecast for West Clarkston-Highland

WhenTempForecastWindPrecip
Overnight 39°F Partly Cloudy 1 mph S 1%
Wednesday 56°F Sunny 1 mph NE 1%
Wednesday Night 41°F Mostly Cloudy then Rain Showers Likely 2 mph S 69%
Thursday 56°F Rain Showers Likely 2 mph SW 69%
Thursday Night 39°F Partly Cloudy 1 to 6 mph E 0%
Friday 56°F Partly Sunny 1 to 6 mph E 3%
Friday Night 42°F Mostly Cloudy 1 to 6 mph SE 3%
Saturday 64°F Mostly Sunny 3 to 7 mph E 1%
Saturday Night 44°F Mostly Cloudy 3 to 12 mph SE 4%
Sunday 61°F Mostly Cloudy 2 to 6 mph S 7%
Sunday Night 42°F Mostly Cloudy 3 mph S 5%
Monday 59°F Partly Sunny then Slight Chance Rain Showers 0 to 5 mph E 15%
Monday Night 42°F Slight Chance Rain Showers 2 mph SE 15%
Tuesday 60°F Slight Chance Rain Showers 1 to 5 mph SE 17%

Forecast source: National Weather Service (api.weather.gov) for West Clarkston-Highland (46.402, -117.064). Updated through the day.

Growing snapshot for West Clarkston-Highland

Last spring frost
Apr 6
First fall frost
Oct 26
Growing season
200 days
Hardiness zone
7a

More local growing data for West Clarkston-Highland: nearby ZIP 99179 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Lewiston Nez Perce Co Ap, Id (9.8 mi from West Clarkston-Highland). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.