Keller, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keller, a community in Ferry County, Washington.
This Afternoon
52°F
Partly Sunny
Partly sunny. High near 52, with temperatures falling to around 47 in the afternoon. South wind around 2 mph.
7-day forecast for Keller
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 52°F | Partly Sunny | 2 mph S | 4% |
| Tonight | 37°F | Mostly Cloudy | 2 mph N | 4% |
| Wednesday | 52°F | Sunny | 3 mph SE | 2% |
| Wednesday Night | 38°F | Chance Rain Showers | 2 mph E | 30% |
| Thursday | 52°F | Chance Rain Showers then Partly Sunny | 3 mph S | 30% |
| Thursday Night | 37°F | Mostly Cloudy | 3 mph SE | 14% |
| Friday | 51°F | Mostly Cloudy | 3 to 7 mph SE | 14% |
| Friday Night | 38°F | Mostly Cloudy | 5 mph E | 7% |
| Saturday | 55°F | Partly Sunny | 5 mph E | 7% |
| Saturday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 3 to 10 mph E | 21% |
| Sunday | 54°F | Slight Chance Rain Showers then Partly Sunny | 6 to 14 mph S | 21% |
| Sunday Night | 37°F | Mostly Cloudy | 6 mph NE | 5% |
| Monday | 52°F | Partly Sunny then Chance Rain Showers | 5 mph E | 29% |
| Monday Night | 40°F | Chance Rain Showers | 5 mph E | 41% |
Forecast source: National Weather Service (api.weather.gov) for Keller (48.085, -118.716). Updated through the day.
Growing snapshot for Keller
Last spring frost
Apr 22
First fall frost
Oct 21
Growing season
180 days
Hardiness zone
7a
More local growing data for Keller: nearby ZIP 99140 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Coulee Dam 1 Sw, Wa (19.6 mi from Keller). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.