Wallula, WA Weather & Growing Conditions
Tonight
56°F
Mostly Clear
Mostly clear, with a low around 56. South wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Mostly Clear | 2 to 7 mph S | 1% |
| Saturday | 80°F | Sunny | 1 to 7 mph SW | 0% |
| Saturday Night | 57°F | Mostly Clear | 2 mph S | 0% |
| Sunday | 83°F | Sunny | 1 to 5 mph W | 0% |
| Sunday Night | 60°F | Mostly Clear | 2 mph SE | 0% |
| Monday | 84°F | Sunny | 1 to 5 mph SW | 0% |
| Monday Night | 58°F | Mostly Clear | 2 to 6 mph SW | 0% |
| Tuesday | 80°F | Sunny | 3 to 7 mph SW | 0% |
| Tuesday Night | 55°F | Partly Cloudy | 3 to 9 mph SW | 0% |
| Wednesday | 77°F | Sunny | 2 to 9 mph W | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 2 mph SW | 0% |
| Thursday | 79°F | Sunny | 1 to 5 mph W | 1% |
| Thursday Night | 57°F | Partly Cloudy | 5 mph W | 6% |
| Friday | 76°F | Mostly Sunny | 7 mph SW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wallula, WA
Last spring frost
Apr 7
First fall frost
Oct 22
Growing season
199 days
Hardiness zone
7b
Explore more for Wallula, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Ice Harbor Dam, Wa (13.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.