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
31°F
Patchy Fog
Patchy fog. Mostly clear. Low around 31, with temperatures rising to around 33 overnight. Southeast wind around 2 mph.
7-day forecast for College Place
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 31°F | Patchy Fog | 2 mph SE | 1% |
| Wednesday | 52°F | Patchy Fog then Sunny | 2 mph SE | 1% |
| Wednesday Night | 36°F | Patchy Fog then Chance Rain Showers | 2 to 6 mph SE | 45% |
| Thursday | 56°F | Chance Rain Showers then Partly Sunny | 2 to 10 mph S | 37% |
| Thursday Night | 34°F | Mostly Clear | 2 to 6 mph SE | 1% |
| Friday | 57°F | Partly Sunny | 3 mph S | 3% |
| Friday Night | 39°F | Mostly Cloudy | 1 to 5 mph SE | 3% |
| Saturday | 62°F | Mostly Sunny | 2 mph W | 1% |
| Saturday Night | 40°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 15% |
| Sunday | 58°F | Slight Chance Rain Showers | 5 mph S | 15% |
| Sunday Night | 37°F | Mostly Cloudy | 5 mph S | 5% |
| Monday | 54°F | Partly Sunny | 2 mph SW | 6% |
| Monday Night | 37°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph S | 19% |
| Tuesday | 60°F | Slight Chance Rain Showers | 2 mph S | 23% |
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 Nov 4, 2026.