Colton, WA Weather & Growing Conditions
Tonight
49°F
Partly Cloudy
Partly cloudy. Low around 49, with temperatures rising to around 51 overnight. Northwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Partly Cloudy | 2 mph NW | 1% |
| Saturday | 72°F | Sunny | 1 to 5 mph NW | 1% |
| Saturday Night | 50°F | Mostly Clear | 1 to 6 mph NE | 0% |
| Sunday | 76°F | Sunny | 2 to 8 mph E | 0% |
| Sunday Night | 51°F | Mostly Clear | 1 to 6 mph E | 0% |
| Monday | 78°F | Sunny | 3 to 7 mph S | 0% |
| Monday Night | 52°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Tuesday | 74°F | Mostly Sunny | 2 to 6 mph SW | 1% |
| Tuesday Night | 50°F | Partly Cloudy | 1 to 6 mph W | 1% |
| Wednesday | 70°F | Mostly Sunny | 1 to 5 mph W | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 1 to 5 mph NE | 1% |
| Thursday | 76°F | Mostly Sunny | 7 mph E | 1% |
| Thursday Night | 50°F | Partly Cloudy | 5 mph E | 5% |
| Friday | 70°F | Mostly Sunny | 5 to 8 mph W | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Colton, WA
Last spring frost
Apr 29
First fall frost
Oct 2
Growing season
159 days
Hardiness zone
7a
Explore more for Colton, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Pullman Moscow Rgnl Ap, Wa (11.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.