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Key Center, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Key Center, a community in Pierce County, Washington.

Tonight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. West southwest wind around 2 mph.

7-day forecast for Key Center

WhenTempForecastWindPrecip
Tonight 51°F Mostly Cloudy 2 mph WSW 0%
Saturday 73°F Partly Sunny 3 mph SSW 0%
Saturday Night 51°F Mostly Clear 3 mph N 0%
Sunday 73°F Mostly Sunny 1 to 6 mph N 0%
Sunday Night 50°F Mostly Clear 0 to 6 mph N 0%
Monday 72°F Mostly Sunny 0 to 5 mph WNW 0%
Monday Night 52°F Partly Cloudy 0 to 5 mph N 0%
Tuesday 69°F Partly Sunny 0 to 3 mph WSW 0%
Tuesday Night 50°F Mostly Cloudy 3 mph WSW 5%
Wednesday 68°F Partly Sunny 1 to 7 mph SW 7%
Wednesday Night 51°F Mostly Cloudy 2 to 7 mph NNW 7%
Thursday 65°F Mostly Cloudy then Slight Chance Light Rain 2 to 8 mph NNE 21%
Thursday Night 50°F Chance Light Rain 2 to 8 mph N 25%
Friday 65°F Partly Sunny 2 to 8 mph NNW 13%

Forecast source: National Weather Service (api.weather.gov) for Key Center (47.331, -122.755). Updated through the day.

Growing snapshot for Key Center

Last spring frost
Mar 11
First fall frost
Nov 21
Growing season
254 days
Hardiness zone
8b

More local growing data for Key Center: nearby ZIP 98329 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Tacoma Narrows Ap, Wa (10.2 mi from Key Center). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.