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Ketron Island, WA Weather & Growing Conditions

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

Today
71°F
Mostly Sunny
Mostly sunny, with a high near 71. North northwest wind around 2 mph.

7-day forecast for Ketron Island

WhenTempForecastWindPrecip
Today 71°F Mostly Sunny 2 mph NNW 0%
Tonight 53°F Mostly Clear 1 mph NNW 0%
Sunday 72°F Mostly Sunny 3 mph N 0%
Sunday Night 52°F Mostly Clear 3 mph NNW 0%
Monday 70°F Mostly Sunny 2 mph WNW 0%
Monday Night 54°F Partly Cloudy 2 mph NNW 0%
Tuesday 69°F Partly Sunny 2 mph WNW 0%
Tuesday Night 53°F Partly Cloudy 2 mph WSW 1%
Wednesday 68°F Partly Sunny 1 to 5 mph WSW 8%
Wednesday Night 53°F Mostly Cloudy 0 to 5 mph NW 8%
Thursday 66°F Mostly Cloudy then Slight Chance Light Rain 0 to 7 mph NNE 20%
Thursday Night 52°F Slight Chance Light Rain 1 to 7 mph NNW 21%
Friday 65°F Mostly Sunny 1 to 7 mph NNW 12%
Friday Night 51°F Partly Cloudy 2 to 7 mph NNE 10%

Forecast source: National Weather Service (api.weather.gov) for Ketron Island (47.156, -122.634). Updated through the day.

Growing snapshot for Ketron Island

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

More local growing data for Ketron Island: nearby ZIP 98303 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Tacoma Narrows Ap, Wa (9.5 mi from Ketron Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.