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
51°F
Mostly Clear
Mostly clear. Low around 51, with temperatures rising to around 53 overnight. Southeast wind around 3 mph.
7-day forecast for College Place
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 3 mph SE | 0% |
| Saturday | 81°F | Sunny | 3 mph W | 0% |
| Saturday Night | 50°F | Mostly Clear | 3 mph E | 0% |
| Sunday | 84°F | Sunny | 2 mph NW | 0% |
| Sunday Night | 52°F | Clear | 3 mph E | 0% |
| Monday | 85°F | Sunny | 2 mph SW | 0% |
| Monday Night | 54°F | Mostly Clear | 3 mph S | 0% |
| Tuesday | 82°F | Sunny | 3 mph SW | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 3 mph S | 0% |
| Wednesday | 78°F | Sunny | 5 mph SW | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 3 mph S | 1% |
| Thursday | 76°F | Mostly Sunny | 2 mph W | 3% |
| Thursday Night | 50°F | Partly Cloudy | 2 mph S | 4% |
| Friday | 73°F | Mostly Sunny | 3 mph SW | 13% |
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 Sep 19, 2026.