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College Place, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for College Place, a city in Walla Walla County, Washington.

Today
81°F
Sunny
Sunny, with a high near 81. West wind around 2 mph.

7-day forecast for College Place

WhenTempForecastWindPrecip
Today 81°F Sunny 2 mph W 0%
Tonight 52°F Mostly Clear 3 mph E 0%
Sunday 86°F Sunny 2 mph W 0%
Sunday Night 54°F Mostly Clear 3 mph SE 0%
Monday 86°F Sunny 2 mph W 0%
Monday Night 55°F Partly Cloudy 3 mph S 0%
Tuesday 83°F Sunny 5 mph SW 2%
Tuesday Night 53°F Partly Cloudy 6 mph SW 2%
Wednesday 77°F Mostly Sunny 3 to 7 mph SW 1%
Wednesday Night 50°F Partly Cloudy 3 mph S 2%
Thursday 76°F Mostly Sunny 2 mph W 3%
Thursday Night 50°F Partly Cloudy 2 mph NW 7%
Friday 73°F Mostly Sunny 3 mph SW 11%
Friday Night 47°F Mostly Cloudy 5 mph SW 9%

Forecast source: National Weather Service (api.weather.gov) for College Place (46.042, -118.389). Updated through the day.

Growing snapshot for College Place

Last spring frost
May 2
First fall frost
Oct 1
Growing season
151 days
Hardiness zone
7a

More local growing data for College Place: nearby ZIP 99324 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Whitman Mission, Wa (3.7 mi from College Place). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.