Walla Walla, OR Weather & Growing Conditions
Overnight
53°F
Mostly Clear
Mostly clear, with a low around 53. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Clear | 3 mph S | 0% |
| Saturday | 80°F | Sunny | 3 mph W | 0% |
| Saturday Night | 52°F | Mostly Clear | 1 to 5 mph E | 0% |
| Sunday | 83°F | Sunny | 2 mph W | 0% |
| Sunday Night | 54°F | Clear | 5 mph E | 0% |
| Monday | 84°F | Sunny | 2 mph SW | 0% |
| Monday Night | 55°F | Mostly Clear | 3 mph S | 0% |
| Tuesday | 81°F | Sunny | 5 mph SW | 0% |
| Tuesday Night | 54°F | Mostly Clear | 5 mph S | 0% |
| Wednesday | 77°F | Sunny | 2 to 6 mph SW | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 5 mph S | 1% |
| Thursday | 76°F | Mostly Sunny | 3 mph W | 3% |
| Thursday Night | 51°F | Partly Cloudy | 3 mph SE | 4% |
| Friday | 72°F | Mostly Sunny | 3 mph SW | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Walla Walla, OR
Last spring frost
Mar 27
First fall frost
Oct 31
Growing season
219 days
Hardiness zone
7a
Explore more for Walla Walla, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Walla Walla Rgnl Ap, Wa (1.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.