Harman US

Colfax, WA Weather & Growing Conditions

Tonight
49°F
Mostly Clear
Mostly clear, with a low around 49. Southwest wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 49°F Mostly Clear 2 mph SW 1%
Saturday 75°F Sunny 3 mph SW 0%
Saturday Night 49°F Mostly Clear 0 to 5 mph N 0%
Sunday 79°F Sunny 1 to 6 mph SE 0%
Sunday Night 50°F Clear 3 mph E 0%
Monday 80°F Sunny 5 mph S 0%
Monday Night 51°F Mostly Clear 3 mph S 0%
Tuesday 76°F Mostly Sunny 5 mph S 0%
Tuesday Night 49°F Partly Cloudy 5 mph SW 1%
Wednesday 72°F Mostly Sunny 5 mph SW 1%
Wednesday Night 48°F Partly Cloudy 3 mph E 0%
Thursday 78°F Mostly Sunny 5 mph SE 1%
Thursday Night 50°F Partly Cloudy 3 mph SE 6%
Friday 73°F Mostly Sunny 6 mph SW 10%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Colfax, WA

Last spring frost
May 6
First fall frost
Sep 29
Growing season
143 days
Hardiness zone
7a

Explore more for Colfax, WA: full frost dates · planting calendar · Washington frost dates

Climate data from the nearest NOAA station, Pullman 2 Nw, Wa (14.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.