Marcus, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marcus, a town in Stevens County, Washington.
Today
80°F
Mostly Sunny
Mostly sunny, with a high near 80. South wind 0 to 3 mph.
7-day forecast for Marcus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Mostly Sunny | 0 to 3 mph S | 0% |
| Tonight | 54°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 81°F | Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 54°F | Partly Cloudy | 2 mph SW | 0% |
| Monday | 82°F | Sunny | 1 to 5 mph E | 0% |
| Monday Night | 54°F | Partly Cloudy | 3 mph W | 0% |
| Tuesday | 79°F | Mostly Sunny | 0 to 6 mph W | 1% |
| Tuesday Night | 54°F | Mostly Cloudy | 0 to 5 mph SW | 0% |
| Wednesday | 74°F | Mostly Sunny | 0 to 8 mph S | 1% |
| Wednesday Night | 51°F | Mostly Cloudy | 1 to 8 mph SW | 4% |
| Thursday | 70°F | Partly Sunny | 3 mph N | 9% |
| Thursday Night | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph NW | 19% |
| Friday | 68°F | Chance Rain Showers | 1 to 5 mph NW | 25% |
| Friday Night | 49°F | Chance Rain Showers | 6 mph NW | 25% |
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 Sep 19, 2026.