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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.

This Afternoon
75°F
Sunny
Sunny, with a high near 75. Northeast wind around 1 mph.

7-day forecast for Wallula

WhenTempForecastWindPrecip
This Afternoon 75°F Sunny 1 mph NE 0%
Tonight 59°F Mostly Clear 1 mph SE 0%
Sunday 77°F Sunny 2 mph NW 0%
Sunday Night 60°F Mostly Clear 1 mph S 0%
Monday 78°F Sunny 2 mph W 0%
Monday Night 60°F Partly Cloudy 1 to 8 mph SW 0%
Tuesday 75°F Sunny 3 to 8 mph SW 0%
Tuesday Night 57°F Partly Cloudy 3 to 12 mph SW 0%
Wednesday 71°F Mostly Sunny 3 to 12 mph SW 0%
Wednesday Night 56°F Partly Cloudy 5 mph SW 1%
Thursday 69°F Mostly Sunny 3 mph W 3%
Thursday Night 56°F Partly Cloudy 3 mph W 4%
Friday 67°F Mostly Sunny 5 mph SW 6%
Friday Night 53°F Mostly 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 20, 2026.