Walla Walla, OR Weather & Growing Conditions
Tonight
33°F
Patchy Fog
Patchy fog before 1am. Partly cloudy. Low around 33, with temperatures rising to around 35 overnight. Southeast wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 33°F | Patchy Fog | 2 to 6 mph SE | 1% |
| Wednesday | 52°F | Sunny | 2 mph S | 1% |
| Wednesday Night | 39°F | Mostly Cloudy then Chance Rain Showers | 1 to 7 mph SE | 45% |
| Thursday | 55°F | Chance Rain Showers then Mostly Sunny | 2 to 12 mph SW | 45% |
| Thursday Night | 38°F | Partly Cloudy | 2 to 7 mph SE | 6% |
| Friday | 57°F | Partly Sunny | 1 to 6 mph S | 8% |
| Friday Night | 41°F | Mostly Cloudy | 1 to 7 mph S | 4% |
| Saturday | 63°F | Partly Sunny | 1 to 5 mph S | 1% |
| Saturday Night | 43°F | Mostly Cloudy then Slight Chance Rain Showers | 1 to 8 mph S | 22% |
| Sunday | 60°F | Chance Rain Showers | 2 to 9 mph SW | 30% |
| Sunday Night | 41°F | Mostly Cloudy | 2 to 6 mph S | 11% |
| Monday | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph SW | 16% |
| Monday Night | 41°F | Slight Chance Rain Showers | 3 mph S | 20% |
| Tuesday | 61°F | Chance Rain Showers | 3 mph S | 28% |
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 Nov 4, 2026.