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Kapowsin, WA Weather & Growing Conditions

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

Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. Wind around 0 mph.

7-day forecast for Kapowsin

WhenTempForecastWindPrecip
Tonight 52°F Mostly Clear 0 mph 0%
Sunday 75°F Patchy Fog then Mostly Sunny 2 mph NNW 0%
Sunday Night 51°F Mostly Clear 1 mph NNE 0%
Monday 73°F Patchy Fog then Mostly Cloudy 1 mph NNW 0%
Monday Night 50°F Partly Cloudy 1 mph NNW 1%
Tuesday 70°F Partly Sunny 2 mph WNW 1%
Tuesday Night 49°F Mostly Cloudy 2 mph SSW 2%
Wednesday 67°F Partly Sunny 2 mph WSW 3%
Wednesday Night 47°F Mostly Cloudy 2 mph N 5%
Thursday 65°F Mostly Cloudy then Slight Chance Light Rain 2 mph N 22%
Thursday Night 49°F Chance Light Rain 1 mph N 42%
Friday 62°F Chance Light Rain 0 to 3 mph SW 49%
Friday Night 45°F Chance Light Rain 3 mph S 37%
Saturday 64°F Partly Sunny 2 mph WSW 11%

Forecast source: National Weather Service (api.weather.gov) for Kapowsin (46.968, -122.223). Updated through the day.

Growing snapshot for Kapowsin

Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
202 days
Hardiness zone
8b

More local growing data for Kapowsin: nearby ZIP 98338 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Mcmillin Rsvr, Wa (7.1 mi from Kapowsin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.