Soap Lake, WA Weather & Growing Conditions
Tonight
50°F
Mostly Clear
Mostly clear. Low around 50, with temperatures rising to around 52 overnight. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Clear | 5 mph NW | 0% |
| Saturday | 79°F | Mostly Sunny | 3 to 8 mph E | 0% |
| Saturday Night | 50°F | Mostly Clear | 2 to 6 mph NE | 0% |
| Sunday | 81°F | Sunny | 6 mph SE | 0% |
| Sunday Night | 51°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Monday | 81°F | Sunny | 3 to 8 mph S | 0% |
| Monday Night | 52°F | Partly Cloudy | 3 to 8 mph NW | 0% |
| Tuesday | 78°F | Mostly Sunny | 2 to 8 mph W | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 3 to 8 mph W | 0% |
| Wednesday | 73°F | Mostly Sunny | 3 to 9 mph W | 1% |
| Wednesday Night | 48°F | Mostly Cloudy | 5 to 9 mph W | 1% |
| Thursday | 71°F | Partly Sunny | 7 mph NW | 4% |
| Thursday Night | 48°F | Mostly Cloudy | 7 mph NW | 8% |
| Friday | 68°F | Partly Sunny | 7 to 12 mph W | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Soap Lake, WA
Last spring frost
Apr 22
First fall frost
Oct 17
Growing season
175 days
Hardiness zone
7a
Explore more for Soap Lake, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Ephrata Muni Ap, Wa (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.