Uniontown, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Uniontown, a town in Whitman County, Washington.

This Afternoon

50°F

Cloudy

Cloudy. High near 50, with temperatures falling to around 46 in the afternoon. West wind around 2 mph.

7-day forecast for Uniontown

When	Temp	Forecast	Wind	Precip
This Afternoon	50°F	Cloudy	2 mph W	3%
Tonight	33°F	Mostly Cloudy	0 mph	3%
Wednesday	50°F	Patchy Fog then Sunny	2 mph NW	1%
Wednesday Night	35°F	Partly Cloudy then Rain Showers Likely	2 mph E	58%
Thursday	50°F	Rain Showers Likely then Partly Sunny	2 to 7 mph SW	58%
Thursday Night	32°F	Partly Cloudy	1 to 6 mph E	1%
Friday	51°F	Mostly Cloudy	5 to 9 mph SE	6%
Friday Night	35°F	Mostly Cloudy	6 mph SE	6%
Saturday	58°F	Partly Sunny	5 to 10 mph SE	2%
Saturday Night	38°F	Mostly Cloudy	6 to 12 mph SE	10%
Sunday	57°F	Slight Chance Rain Showers	6 to 9 mph SW	15%
Sunday Night	35°F	Mostly Cloudy	2 to 6 mph SE	11%
Monday	53°F	Mostly Cloudy then Slight Chance Rain Showers	2 to 6 mph E	16%
Monday Night	36°F	Slight Chance Rain Showers then Mostly Cloudy	2 mph SE	16%

Forecast source: National Weather Service (api.weather.gov) for Uniontown (46.539, -117.086). Updated through the day.

Growing snapshot for Uniontown

Last spring frost

Apr 6

First fall frost

Oct 26

Growing season

200 days

Hardiness zone

More local growing data for Uniontown: 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 Uniontown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.