Clear Lake, WA Weather & Growing Conditions
Tonight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. North northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Partly Cloudy | 1 mph NNE | 1% |
| Saturday | 72°F | Partly Sunny | 2 mph WNW | 1% |
| Saturday Night | 51°F | Partly Cloudy | 1 mph NW | 0% |
| Sunday | 73°F | Mostly Sunny | 2 mph WNW | 0% |
| Sunday Night | 51°F | Partly Cloudy | 2 mph N | 0% |
| Monday | 70°F | Mostly Sunny | 0 to 3 mph WSW | 1% |
| Monday Night | 50°F | Partly Cloudy | 2 mph N | 1% |
| Tuesday | 68°F | Mostly Sunny | 2 mph NW | 1% |
| Tuesday Night | 49°F | Partly Cloudy | 2 mph NNW | 5% |
| Wednesday | 67°F | Partly Sunny | 2 mph NNW | 6% |
| Wednesday Night | 51°F | Mostly Cloudy | 1 mph N | 12% |
| Thursday | 69°F | Partly Sunny then Slight Chance Light Rain | 1 mph WNW | 16% |
| Thursday Night | 51°F | Chance Light Rain | 1 mph NNW | 37% |
| Friday | 66°F | Chance Light Rain | 2 mph SSW | 37% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Clear Lake, WA
Last spring frost
Mar 27
First fall frost
Nov 6
Growing season
224 days
Hardiness zone
8b
Explore more for Clear Lake, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Sedro-Woolley, Wa (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.