Kettle Falls, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kettle Falls, a city in Stevens County, Washington.
Tonight
47°F
Mostly Clear
Mostly clear. Low around 47, with temperatures rising to around 49 overnight. Wind around 0 mph.
7-day forecast for Kettle Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Clear | 0 mph | 0% |
| Saturday | 80°F | Sunny | 2 mph W | 0% |
| Saturday Night | 47°F | Partly Cloudy | 1 mph S | 0% |
| Sunday | 81°F | Sunny | 2 mph S | 0% |
| Sunday Night | 48°F | Mostly Clear | 2 mph W | 0% |
| Monday | 81°F | Sunny | 0 to 5 mph S | 0% |
| Monday Night | 48°F | Partly Cloudy | 0 to 3 mph SW | 0% |
| Tuesday | 78°F | Mostly Sunny | 0 to 5 mph S | 1% |
| Tuesday Night | 47°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Wednesday | 74°F | Mostly Sunny | 0 to 6 mph S | 0% |
| Wednesday Night | 46°F | Mostly Cloudy | 0 to 5 mph S | 2% |
| Thursday | 75°F | Mostly Sunny | 1 mph SE | 4% |
| Thursday Night | 47°F | Mostly Cloudy | 1 mph N | 11% |
| Friday | 73°F | Partly Sunny then Slight Chance Rain Showers | 0 to 5 mph S | 17% |
Forecast source: National Weather Service (api.weather.gov) for Kettle Falls (48.606, -118.062). Updated through the day.
Growing snapshot for Kettle Falls
Last spring frost
May 2
First fall frost
Oct 2
Growing season
153 days
More local growing data for Kettle Falls: nearby ZIP 99151 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Addy
Barney's Junction
Chewelah
Clayton
Colville
Inchelium
Loon Lake
Marcus
Northport
Springdale
Valley
Climate data from the nearest NOAA station, Colville, Wa (8.8 mi from Kettle Falls). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.