Valley, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Valley, a community in Stevens County, Washington.
Tonight
46°F
Mostly Clear
Mostly clear. Low around 46, with temperatures rising to around 48 overnight. Wind around 0 mph.
7-day forecast for Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Clear | 0 mph | 0% |
| Saturday | 79°F | Sunny | 2 mph NE | 0% |
| Saturday Night | 46°F | Partly Cloudy | 1 mph W | 0% |
| Sunday | 80°F | Sunny | 2 mph SE | 0% |
| Sunday Night | 47°F | Mostly Clear | 2 mph NE | 0% |
| Monday | 81°F | Sunny | 3 mph S | 0% |
| Monday Night | 48°F | Partly Cloudy | 2 mph W | 0% |
| Tuesday | 79°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 0 to 3 mph S | 0% |
| Wednesday | 74°F | Mostly Sunny | 0 to 6 mph S | 1% |
| Wednesday Night | 45°F | Mostly Cloudy | 0 to 5 mph SW | 1% |
| Thursday | 73°F | Partly Sunny | 0 to 3 mph S | 2% |
| Thursday Night | 45°F | Mostly Cloudy | 2 mph N | 13% |
| Friday | 69°F | Partly Sunny then Slight Chance Rain Showers | 3 mph E | 17% |
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 Sep 19, 2026.