Clear Lake, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clear Lake, a community in Skagit County, Washington.
Overnight
40°F
Mostly Clear
Mostly clear, with a low around 40. East northeast wind around 2 mph.
7-day forecast for Clear Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 40°F | Mostly Clear | 2 mph ENE | 1% |
| Wednesday | 59°F | Partly Sunny then Chance Light Rain | 2 to 14 mph SE | 26% |
| Wednesday Night | 46°F | Light Rain | 8 to 16 mph SSE | 93% |
| Thursday | 56°F | Partly Sunny | 10 mph SSE | 14% |
| Thursday Night | 46°F | Light Rain | 9 to 15 mph SE | 92% |
| Friday | 54°F | Light Rain | 8 to 18 mph SE | 92% |
| Friday Night | 47°F | Light Rain Likely | 6 to 12 mph ESE | 74% |
| Saturday | 61°F | Chance Light Rain | 8 mph ESE | 32% |
| Saturday Night | 47°F | Light Rain | 8 to 17 mph SE | 83% |
| Sunday | 54°F | Light Rain Likely | 0 to 14 mph S | 72% |
| Sunday Night | 41°F | Slight Chance Light Rain | 0 to 7 mph ESE | 24% |
| Monday | 54°F | Chance Light Rain | 6 mph E | 44% |
| Monday Night | 46°F | Light Rain Likely | 6 to 15 mph ESE | 65% |
| Tuesday | 57°F | Light Rain Likely | 13 to 16 mph SE | 65% |
Forecast source: National Weather Service (api.weather.gov) for Clear Lake (48.448, -122.239). Updated through the day.
Growing snapshot for Clear Lake
Last spring frost
Mar 27
First fall frost
Nov 6
Growing season
224 days
Hardiness zone
8b
More local growing data for Clear Lake: nearby ZIP 98235 weather · frost dates · planting calendar · Washington frost dates
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Sedro-Woolley
Climate data from the nearest NOAA station, Sedro-Woolley, Wa (2.3 mi from Clear Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.