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Colton, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Colton, a town in Whitman County, Washington.

Tonight
33°F
Mostly Cloudy
Mostly cloudy, with a low around 33. Northwest wind around 1 mph.

7-day forecast for Colton

WhenTempForecastWindPrecip
Tonight 33°F Mostly Cloudy 1 mph NW 8%
Wednesday 50°F Patchy Fog then Sunny 2 mph NW 1%
Wednesday Night 35°F Partly Cloudy then Rain Showers Likely 3 mph SE 57%
Thursday 50°F Rain Showers Likely then Partly Sunny 3 to 8 mph SW 57%
Thursday Night 33°F Partly Cloudy 2 to 8 mph SE 1%
Friday 51°F Mostly Cloudy 5 to 10 mph SE 6%
Friday Night 36°F Mostly Cloudy 7 mph SE 6%
Saturday 58°F Partly Sunny 7 to 12 mph SE 2%
Saturday Night 39°F Mostly Cloudy 7 to 14 mph SE 11%
Sunday 56°F Slight Chance Rain Showers 6 to 10 mph SW 16%
Sunday Night 36°F Mostly Cloudy 6 mph S 12%
Monday 53°F Mostly Cloudy then Slight Chance Rain Showers 2 to 6 mph SE 16%
Monday Night 37°F Slight Chance Rain Showers then Mostly Cloudy 1 to 5 mph S 16%
Tuesday 56°F Slight Chance Rain Showers 3 to 8 mph SE 24%

Forecast source: National Weather Service (api.weather.gov) for Colton (46.567, -117.128). Updated through the day.

Growing snapshot for Colton

Last spring frost
Apr 29
First fall frost
Oct 2
Growing season
159 days
Hardiness zone
7a

More local growing data for Colton: nearby ZIP 99113 weather · frost dates · planting calendar · Washington frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Pullman Moscow Rgnl Ap, Wa (11.8 mi from Colton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.