College Place, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for College Place, a city in Walla Walla County, Washington.
Overnight
50°F
Areas Of Smoke
Areas of smoke. Clear. Low around 50, with temperatures rising to around 52 overnight. Southeast wind around 5 mph.
7-day forecast for College Place
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Areas Of Smoke | 5 mph SE | 0% |
| Tuesday | 91°F | Areas Of Smoke | 2 to 8 mph NW | 0% |
| Tuesday Night | 55°F | Patchy Smoke | 3 to 7 mph E | 0% |
| Wednesday | 97°F | Patchy Smoke | 5 mph W | 0% |
| Wednesday Night | 58°F | Patchy Smoke then Clear | 5 mph E | 0% |
| Thursday | 101°F | Sunny | 5 mph SW | 0% |
| Thursday Night | 64°F | Clear | 3 to 7 mph S | 0% |
| Friday | 99°F | Sunny | 7 to 13 mph SW | 0% |
| Friday Night | 63°F | Clear | 5 to 9 mph S | 0% |
| Saturday | 95°F | Sunny | 6 to 9 mph SW | 0% |
| Saturday Night | 61°F | Mostly Clear | 5 to 9 mph SW | 0% |
| Sunday | 90°F | Sunny | 7 to 10 mph SW | 0% |
| Sunday Night | 58°F | Mostly Clear | 7 mph SW | 0% |
| Monday | 89°F | Sunny | 8 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for College Place (46.042, -118.389). Updated through the day.
Growing snapshot for College Place
Last spring frost
May 2
First fall frost
Oct 1
Growing season
151 days
Hardiness zone
7a
More local growing data for College Place: nearby ZIP 99324 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Whitman Mission, Wa (3.7 mi from College Place). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.