Walla Walla, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Walla Walla, a city in Walla Walla County, Washington.
Today
91°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 91. Northwest wind 2 to 7 mph.
7-day forecast for Walla Walla
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Areas Of Smoke | 2 to 7 mph NW | 0% |
| Tonight | 57°F | Patchy Smoke | 3 to 7 mph E | 0% |
| Wednesday | 97°F | Patchy Smoke | 3 mph W | 0% |
| Wednesday Night | 61°F | Patchy Smoke then Clear | 5 mph E | 0% |
| Thursday | 101°F | Sunny | 5 mph SW | 0% |
| Thursday Night | 66°F | Clear | 2 to 7 mph S | 0% |
| Friday | 99°F | Sunny | 7 to 13 mph SW | 0% |
| Friday Night | 65°F | Clear | 5 to 9 mph S | 0% |
| Saturday | 95°F | Sunny | 6 to 9 mph SW | 0% |
| Saturday Night | 63°F | Mostly Clear | 5 to 9 mph SW | 0% |
| Sunday | 90°F | Sunny | 7 to 10 mph SW | 0% |
| Sunday Night | 60°F | Mostly Clear | 7 mph SW | 0% |
| Monday | 89°F | Sunny | 8 mph SW | 0% |
| Monday Night | 59°F | Clear | 6 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Walla Walla (46.067, -118.337). Updated through the day.
Growing snapshot for Walla Walla
Last spring frost
Mar 27
First fall frost
Oct 31
Growing season
219 days
Hardiness zone
7a
More local growing data for Walla Walla: nearby ZIP 99362 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Walla Walla Rgnl Ap, Wa (1.4 mi from Walla Walla). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.