Keller, WA Weather & Growing Conditions
This Afternoon
49°F
Mostly Cloudy
Mostly cloudy. High near 49, with temperatures falling to around 45 in the afternoon. East wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 49°F | Mostly Cloudy | 2 mph E | 4% |
| Tonight | 38°F | Mostly Cloudy | 3 mph NE | 4% |
| Wednesday | 49°F | Sunny | 5 mph SE | 2% |
| Wednesday Night | 38°F | Chance Rain Showers | 3 mph E | 34% |
| Thursday | 49°F | Chance Rain Showers then Partly Sunny | 3 mph S | 34% |
| Thursday Night | 36°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph SE | 15% |
| Friday | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 7 mph SE | 15% |
| Friday Night | 38°F | Mostly Cloudy | 6 mph E | 7% |
| Saturday | 51°F | Partly Sunny | 6 mph E | 7% |
| Saturday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 3 to 13 mph E | 22% |
| Sunday | 51°F | Slight Chance Rain Showers then Partly Sunny | 6 to 13 mph S | 22% |
| Sunday Night | 38°F | Mostly Cloudy | 6 mph NE | 5% |
| Monday | 49°F | Partly Sunny then Chance Rain Showers | 2 to 6 mph E | 32% |
| Monday Night | 40°F | Chance Rain Showers | 2 to 6 mph E | 41% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Keller, WA
Last spring frost
Apr 22
First fall frost
Oct 21
Growing season
180 days
Hardiness zone
7a
Explore more for Keller, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Coulee Dam 1 Sw, Wa (19.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.