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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.