Colfax, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Colfax, a city in Whitman County, Washington.
Today
53°F
Mostly Cloudy
Mostly cloudy. High near 53, with temperatures falling to around 48 in the afternoon. East wind 0 to 5 mph.
7-day forecast for Colfax
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 53°F | Mostly Cloudy | 0 to 5 mph E | 2% |
| Tonight | 34°F | Mostly Cloudy | 1 mph E | 2% |
| Wednesday | 51°F | Patchy Fog then Mostly Sunny | 2 mph SW | 0% |
| Wednesday Night | 37°F | Partly Cloudy then Rain Showers Likely | 2 mph SE | 73% |
| Thursday | 50°F | Rain Showers Likely | 1 to 9 mph S | 73% |
| Thursday Night | 35°F | Partly Cloudy | 5 mph SE | 10% |
| Friday | 53°F | Mostly Cloudy | 7 mph S | 13% |
| Friday Night | 37°F | Mostly Cloudy | 6 mph S | 8% |
| Saturday | 59°F | Partly Sunny | 3 to 8 mph SE | 1% |
| Saturday Night | 41°F | Mostly Cloudy then Chance Rain Showers | 5 to 9 mph SE | 25% |
| Sunday | 57°F | Chance Rain Showers | 3 to 7 mph S | 30% |
| Sunday Night | 39°F | Mostly Cloudy | 3 mph S | 11% |
| Monday | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 1 to 6 mph SE | 17% |
| Monday Night | 39°F | Chance Rain Showers | 1 to 5 mph SE | 28% |
Forecast source: National Weather Service (api.weather.gov) for Colfax (46.902, -117.345). Updated through the day.
Growing snapshot for Colfax
Last spring frost
Apr 29
First fall frost
Oct 4
Growing season
161 days
Hardiness zone
6b
More local growing data for Colfax: nearby ZIP 99174 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Albion
Clarkston
Clarkston Heights-Vineland
Colton
Endicott
Farmington
Garfield
LaCrosse
Lamont
Malden
Oakesdale
Palouse
Pullman
Rosalia
St. John
Steptoe
Tekoa
Uniontown
West Clarkston-Highland
Climate data from the nearest NOAA station, St John, Wa (12.4 mi from Colfax). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.