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Clear Lake, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Clear Lake, a community in Skagit County, Washington.

Today
72°F
Partly Sunny
Partly sunny. High near 72, with temperatures falling to around 70 in the afternoon. West northwest wind around 2 mph.

7-day forecast for Clear Lake

WhenTempForecastWindPrecip
Today 72°F Partly Sunny 2 mph WNW 0%
Tonight 52°F Partly Cloudy 1 mph NW 0%
Sunday 73°F Partly Sunny 2 mph NW 0%
Sunday Night 52°F Partly Cloudy 2 mph N 0%
Monday 71°F Mostly Sunny 2 mph WSW 0%
Monday Night 51°F Partly Cloudy 2 mph NNW 0%
Tuesday 68°F Partly Sunny 2 mph NW 0%
Tuesday Night 49°F Mostly Cloudy 2 mph W 11%
Wednesday 67°F Partly Sunny then Slight Chance Light Rain 1 mph NW 19%
Wednesday Night 50°F Slight Chance Light Rain then Mostly Cloudy 1 mph N 19%
Thursday 66°F Mostly Cloudy then Slight Chance Light Rain 2 mph NW 16%
Thursday Night 49°F Slight Chance Light Rain 2 mph NW 24%
Friday 65°F Slight Chance Light Rain then Partly Sunny 2 mph W 24%
Friday Night 48°F Slight Chance Light Rain 2 mph N 16%

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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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 Sep 19, 2026.