Elk Plain, WA Weather & Growing Conditions
Overnight
48°F
Mostly Cloudy
Mostly cloudy, with a low around 48. South southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Mostly Cloudy | 1 mph SSE | 0% |
| Saturday | 74°F | Partly Sunny | 2 mph NNW | 0% |
| Saturday Night | 50°F | Partly Cloudy | 2 mph N | 0% |
| Sunday | 75°F | Partly Sunny | 0 to 3 mph N | 0% |
| Sunday Night | 48°F | Mostly Clear | 0 to 3 mph N | 0% |
| Monday | 72°F | Mostly Sunny | 2 mph NW | 0% |
| Monday Night | 50°F | Partly Cloudy | 2 mph NNE | 0% |
| Tuesday | 70°F | Partly Sunny | 2 mph NW | 0% |
| Tuesday Night | 49°F | Partly Cloudy | 2 mph SW | 1% |
| Wednesday | 69°F | Partly Sunny | 3 mph WSW | 8% |
| Wednesday Night | 49°F | Mostly Cloudy | 0 to 3 mph WNW | 8% |
| Thursday | 66°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 5 mph NNE | 19% |
| Thursday Night | 48°F | Slight Chance Light Rain | 1 to 5 mph NE | 19% |
| Friday | 65°F | Partly Sunny | 1 to 5 mph NW | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Elk Plain, WA
Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
202 days
Hardiness zone
8b
Explore more for Elk Plain, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Mcmillin Rsvr, Wa (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.