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Wallula, WA Weather & Growing Conditions

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

Today
74°F
Sunny
Sunny. High near 74, with temperatures falling to around 72 in the afternoon. Southeast wind 1 to 6 mph.

7-day forecast for Wallula

WhenTempForecastWindPrecip
Today 74°F Sunny 1 to 6 mph SE 0%
Tonight 58°F Mostly Clear 1 mph SE 0%
Sunday 75°F Sunny 2 mph NW 0%
Sunday Night 59°F Clear 2 mph E 0%
Monday 76°F Sunny 2 mph SW 0%
Monday Night 59°F Mostly Clear 1 to 6 mph SW 0%
Tuesday 74°F Sunny 2 to 7 mph SW 0%
Tuesday Night 58°F Mostly Clear 2 to 9 mph SW 0%
Wednesday 71°F Mostly Sunny 2 to 9 mph SW 0%
Wednesday Night 57°F Partly Cloudy 3 mph SW 0%
Thursday 69°F Mostly Sunny 2 mph W 2%
Thursday Night 56°F Partly Cloudy 3 mph W 3%
Friday 67°F Mostly Sunny 5 mph SW 7%
Friday Night 54°F Partly Cloudy 5 mph SW 6%

Forecast source: National Weather Service (api.weather.gov) for Wallula (46.085, -118.906). Updated through the day.

Growing snapshot for Wallula

Last spring frost
Apr 7
First fall frost
Oct 22
Growing season
199 days
Hardiness zone
7b

More local growing data for Wallula: nearby ZIP 99363 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Ice Harbor Dam, Wa (13.8 mi from Wallula). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.