Clear Lake, WA Weather & Growing Conditions
This Afternoon
56°F
Mostly Cloudy
Mostly cloudy. High near 56, with temperatures falling to around 52 in the afternoon. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 56°F | Mostly Cloudy | 0 mph | 4% |
| Tonight | 39°F | Partly Cloudy | 2 mph ESE | 5% |
| Wednesday | 59°F | Mostly Sunny | 1 to 7 mph SE | 13% |
| Wednesday Night | 46°F | Light Rain | 3 to 14 mph SSE | 99% |
| Thursday | 55°F | Chance Light Rain | 6 mph SSE | 49% |
| Thursday Night | 46°F | Light Rain | 5 to 15 mph SE | 91% |
| Friday | 54°F | Light Rain | 6 to 16 mph SE | 91% |
| Friday Night | 46°F | Chance Light Rain | 5 to 9 mph ESE | 39% |
| Saturday | 60°F | Chance Light Rain | 5 to 12 mph ESE | 37% |
| Saturday Night | 48°F | Light Rain | 12 to 18 mph SSE | 85% |
| Sunday | 55°F | Light Rain | 1 to 15 mph S | 85% |
| Sunday Night | 42°F | Chance Light Rain | 1 to 8 mph ESE | 36% |
| Monday | 55°F | Chance Light Rain | 6 to 9 mph ESE | 54% |
| Monday Night | 46°F | Light Rain Likely | 9 to 16 mph SE | 73% |
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 Nov 4, 2026.