Valley, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Valley, a community in Stevens County, Washington.
Today
50°F
Mostly Cloudy
Mostly cloudy. High near 50, with temperatures falling to around 46 in the afternoon. North wind around 2 mph.
7-day forecast for Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 50°F | Mostly Cloudy | 2 mph N | 4% |
| Tonight | 29°F | Mostly Cloudy then Areas Of Fog | 2 mph N | 4% |
| Wednesday | 51°F | Areas Of Fog then Sunny | 2 mph W | 0% |
| Wednesday Night | 32°F | Mostly Cloudy then Rain And Snow Showers Likely | 1 mph W | 58% |
| Thursday | 47°F | Rain And Snow Showers Likely then Mostly Cloudy | 2 mph S | 58% |
| Thursday Night | 30°F | Mostly Cloudy then Slight Chance Rain Showers | 1 mph E | 21% |
| Friday | 50°F | Slight Chance Rain Showers | 0 to 6 mph SE | 21% |
| Friday Night | 29°F | Mostly Cloudy | 0 to 3 mph S | 7% |
| Saturday | 52°F | Partly Sunny | 2 mph E | 7% |
| Saturday Night | 33°F | Mostly Cloudy then Chance Rain Showers | 2 mph NE | 27% |
| Sunday | 53°F | Chance Rain Showers then Mostly Cloudy | 1 to 6 mph S | 27% |
| Sunday Night | 32°F | Mostly Cloudy | 0 to 3 mph S | 9% |
| Monday | 51°F | Mostly Cloudy then Chance Rain Showers | 2 mph NE | 25% |
| Monday Night | 33°F | Chance Rain Showers | 2 mph NE | 39% |
Forecast source: National Weather Service (api.weather.gov) for Valley (48.173, -117.724). Updated through the day.
Growing snapshot for Valley
Last spring frost
May 16
First fall frost
Sep 15
Growing season
120 days
Hardiness zone
6b
More local growing data for Valley: nearby ZIP 99181 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Addy
Barney's Junction
Chewelah
Clayton
Colville
Inchelium
Kettle Falls
Loon Lake
Marcus
Northport
Springdale
Climate data from the nearest NOAA station, Chewelah, Wa (9 mi from Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.