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Carnation, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Carnation, a city in King County, Washington.

Today
74°F
Mostly Sunny
Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. Wind around 0 mph.

7-day forecast for Carnation

WhenTempForecastWindPrecip
Today 74°F Mostly Sunny 0 mph 0%
Tonight 51°F Mostly Clear 0 mph 0%
Sunday 74°F Mostly Sunny 1 mph NNW 0%
Sunday Night 50°F Mostly Clear 1 mph NNW 0%
Monday 72°F Mostly Sunny 1 mph NW 0%
Monday Night 49°F Partly Cloudy 1 mph NNW 1%
Tuesday 68°F Partly Sunny 0 mph 1%
Tuesday Night 47°F Mostly Cloudy 0 mph 10%
Wednesday 67°F Partly Sunny then Slight Chance Light Rain 0 mph 16%
Wednesday Night 48°F Slight Chance Light Rain then Mostly Cloudy 0 mph 16%
Thursday 65°F Mostly Cloudy then Slight Chance Light Rain 1 mph NNW 20%
Thursday Night 47°F Slight Chance Light Rain 1 mph NNW 20%
Friday 64°F Slight Chance Light Rain 0 mph 19%
Friday Night 45°F Slight Chance Light Rain 0 mph 17%

Forecast source: National Weather Service (api.weather.gov) for Carnation (47.644, -121.901). Updated through the day.

Growing snapshot for Carnation

Last spring frost
Mar 30
First fall frost
Nov 7
Growing season
223 days
Hardiness zone
8b

More local growing data for Carnation: nearby ZIP 98024 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Snoqualmie Falls, Wa (3.7 mi from Carnation). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.