Clear Lake, WA Weather & Growing Conditions
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 83°F | Patchy Smoke | 0 to 6 mph WNW | 0% |
| Tuesday Night | 57°F | Patchy Smoke | 0 to 5 mph SSW | 0% |
| Wednesday | 86°F | Patchy Smoke | 0 to 6 mph WNW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 86°F | Sunny | 0 to 5 mph WNW | 0% |
| Thursday Night | 60°F | Mostly Clear | 0 to 5 mph S | 0% |
| Friday | 82°F | Sunny | 0 to 6 mph SW | 0% |
| Friday Night | 57°F | Mostly Clear | 1 to 6 mph S | 0% |
| Saturday | 78°F | Sunny | 1 to 7 mph SW | 0% |
| Saturday Night | 54°F | Mostly Clear | 0 to 7 mph SW | 1% |
| Sunday | 75°F | Mostly Sunny | 0 to 6 mph SW | 1% |
| Sunday Night | 53°F | Mostly Clear | 0 to 6 mph W | 4% |
| Monday | 75°F | Mostly Sunny | 0 to 6 mph WNW | 4% |
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 Aug 4, 2026.