Marcus, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marcus, a town in Stevens County, Washington.
Tonight
37°F
Mostly Cloudy
Mostly cloudy. Low around 37, with temperatures rising to around 39 overnight. Northeast wind around 3 mph.
7-day forecast for Marcus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 37°F | Mostly Cloudy | 3 mph NE | 2% |
| Wednesday | 53°F | Sunny | 1 mph S | 2% |
| Wednesday Night | 38°F | Rain Showers Likely | 2 mph SE | 62% |
| Thursday | 50°F | Rain And Snow Showers Likely | 1 mph SE | 62% |
| Thursday Night | 36°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph SE | 18% |
| Friday | 52°F | Slight Chance Rain Showers | 2 to 6 mph SE | 21% |
| Friday Night | 38°F | Mostly Cloudy | 3 mph E | 8% |
| Saturday | 53°F | Mostly Cloudy | 1 mph NE | 8% |
| Saturday Night | 39°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SE | 24% |
| Sunday | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 8 mph S | 24% |
| Sunday Night | 38°F | Mostly Cloudy | 5 mph SW | 6% |
| Monday | 52°F | Partly Sunny then Chance Rain Showers | 2 mph N | 33% |
| Monday Night | 39°F | Chance Rain Showers | 2 mph SE | 38% |
| Tuesday | 53°F | Chance Rain Showers | 2 mph SE | 44% |
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 Nov 4, 2026.