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Fairwood, WA Weather & Growing Conditions

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

Overnight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. South wind around 2 mph.

7-day forecast for Fairwood

WhenTempForecastWindPrecip
Overnight 50°F Mostly Cloudy 2 mph S 0%
Saturday 72°F Partly Sunny 2 mph WSW 0%
Saturday Night 51°F Mostly Clear 2 mph NNE 0%
Sunday 72°F Mostly Sunny 3 mph N 0%
Sunday Night 51°F Mostly Clear 3 mph NNE 0%
Monday 70°F Mostly Sunny 3 mph NNE 0%
Monday Night 51°F Partly Cloudy 3 mph NNE 1%
Tuesday 67°F Partly Sunny 2 mph NE 1%
Tuesday Night 50°F Mostly Cloudy 2 mph N 6%
Wednesday 66°F Partly Sunny then Slight Chance Light Rain 2 mph WSW 15%
Wednesday Night 51°F Slight Chance Light Rain then Mostly Cloudy 2 mph NNE 15%
Thursday 63°F Mostly Cloudy then Slight Chance Light Rain 1 to 5 mph NNE 21%
Thursday Night 49°F Slight Chance Light Rain 1 to 5 mph NNE 21%
Friday 62°F Slight Chance Light Rain 3 mph N 15%

Forecast source: National Weather Service (api.weather.gov) for Fairwood (47.447, -122.143). Updated through the day.

Growing snapshot for Fairwood

Last spring frost
Mar 13
First fall frost
Nov 16
Growing season
248 days
Hardiness zone
8b

More local growing data for Fairwood: nearby ZIP 98058 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Renton Muni Ap, Wa (5.5 mi from Fairwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.