Marcus, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marcus, a town in Stevens County, Washington.
Today
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 84 in the afternoon. Northwest wind around 5 mph.
7-day forecast for Marcus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 mph NW | 0% |
| Tonight | 55°F | Smoke | 2 mph N | 0% |
| Wednesday | 91°F | Areas Of Smoke | 1 to 7 mph E | 0% |
| Wednesday Night | 58°F | Smoke then Mostly Clear | 1 to 7 mph W | 0% |
| Thursday | 95°F | Sunny | 1 to 8 mph E | 0% |
| Thursday Night | 61°F | Mostly Clear | 0 to 8 mph SW | 0% |
| Friday | 95°F | Sunny | 0 to 10 mph S | 0% |
| Friday Night | 60°F | Mostly Clear | 2 to 10 mph W | 0% |
| Saturday | 92°F | Sunny | 0 to 10 mph SW | 0% |
| Saturday Night | 59°F | Partly Cloudy | 2 to 10 mph W | 0% |
| Sunday | 89°F | Sunny | 1 to 8 mph SW | 0% |
| Sunday Night | 58°F | Partly Cloudy | 1 to 8 mph W | 0% |
| Monday | 87°F | Sunny | 1 to 8 mph SE | 1% |
| Monday Night | 57°F | Mostly Clear | 1 to 8 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Marcus (48.664, -118.060). Updated through the day.
Growing snapshot for Marcus
Last spring frost
May 2
First fall frost
Oct 2
Growing season
153 days
More local growing data for Marcus: nearby ZIP 99151 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Addy
Barney's Junction
Chewelah
Clayton
Colville
Inchelium
Kettle Falls
Loon Lake
Northport
Springdale
Valley
Climate data from the nearest NOAA station, Colville, Wa (8.8 mi from Marcus). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.