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Walla Walla, WA Weather & Growing Conditions

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

Today
80°F
Sunny
Sunny. High near 80, with temperatures falling to around 78 in the afternoon. West wind around 2 mph.

7-day forecast for Walla Walla

WhenTempForecastWindPrecip
Today 80°F Sunny 2 mph W 0%
Tonight 53°F Mostly Clear 3 mph E 0%
Sunday 83°F Sunny 2 mph NW 0%
Sunday Night 55°F Clear 3 mph E 0%
Monday 85°F Sunny 2 mph SW 0%
Monday Night 56°F Mostly Clear 3 mph S 0%
Tuesday 81°F Sunny 3 mph SW 0%
Tuesday Night 54°F Mostly Clear 3 mph S 0%
Wednesday 77°F Sunny 5 mph SW 1%
Wednesday Night 53°F Partly Cloudy 3 mph S 1%
Thursday 76°F Mostly Sunny 2 mph W 3%
Thursday Night 52°F Partly Cloudy 2 mph SE 4%
Friday 73°F Mostly Sunny 3 mph SW 14%
Friday Night 49°F Mostly Cloudy 3 mph S 14%

Forecast source: National Weather Service (api.weather.gov) for Walla Walla (46.067, -118.337). Updated through the day.

Growing snapshot for Walla Walla

Last spring frost
Mar 27
First fall frost
Oct 31
Growing season
219 days
Hardiness zone
7a

More local growing data for Walla Walla: nearby ZIP 99362 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Walla Walla Rgnl Ap, Wa (1.4 mi from Walla Walla). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.