Harman US

Marcus, WA Weather & Growing Conditions

Today
50°F
Sunny
Sunny. High near 50, with temperatures falling to around 45 in the afternoon. South wind around 1 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 50°F Sunny 1 mph S 2%
Tonight 36°F Chance Rain Showers 2 mph S 51%
Thursday 47°F Patchy Fog then Mostly Sunny 2 mph S 51%
Thursday Night 35°F Mostly Cloudy 2 mph SE 8%
Friday 48°F Mostly Cloudy 0 to 5 mph S 13%
Friday Night 36°F Slight Chance Rain Showers 0 to 5 mph E 22%
Saturday 52°F Mostly Cloudy 2 mph NE 13%
Saturday Night 38°F Mostly Cloudy then Slight Chance Rain Showers 3 mph E 18%
Sunday 53°F Slight Chance Rain Showers then Mostly Cloudy 3 to 9 mph S 18%
Sunday Night 35°F Mostly Cloudy 0 to 3 mph S 2%
Monday 50°F Mostly Cloudy 1 mph N 8%
Monday Night 36°F Chance Rain And Snow Showers 1 mph N 32%
Tuesday 51°F Chance Rain And Snow Showers 2 mph SE 39%
Tuesday Night 39°F Chance Rain Showers 3 mph E 39%

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

Growing snapshot for Marcus, WA

Last spring frost
May 2
First fall frost
Oct 2
Growing season
153 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Colville, Wa (11.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.