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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.

Today
81°F
Sunny
Sunny. High near 81, with temperatures falling to around 79 in the afternoon. North wind around 2 mph.

7-day forecast for West Clarkston-Highland

WhenTempForecastWindPrecip
Today 81°F Sunny 2 mph N 2%
Tonight 55°F Mostly Clear 2 mph S 2%
Sunday 84°F Sunny 3 mph E 0%
Sunday Night 57°F Mostly Clear 2 mph E 0%
Monday 86°F Sunny 3 mph E 0%
Monday Night 57°F Mostly Clear 2 mph SW 0%
Tuesday 84°F Sunny 0 to 5 mph NE 1%
Tuesday Night 57°F Mostly Clear 0 to 5 mph NW 1%
Wednesday 81°F Sunny 0 to 7 mph N 4%
Wednesday Night 55°F Partly Cloudy 0 to 7 mph SW 4%
Thursday 79°F Mostly Sunny 0 to 3 mph NE 2%
Thursday Night 55°F Partly Cloudy 0 to 3 mph W 6%
Friday 76°F Mostly Sunny 0 to 8 mph W 10%
Friday Night 53°F Slight Chance Rain Showers 1 to 8 mph SW 18%

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 Sep 19, 2026.