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Alderton, WA Weather & Growing Conditions

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

Overnight
55°F
Clear
Clear, with a low around 55. Southeast wind around 1 mph.

7-day forecast for Alderton

WhenTempForecastWindPrecip
Overnight 55°F Clear 1 mph SE 0%
Tuesday 89°F Areas Of Smoke 1 to 5 mph NNW 0%
Tuesday Night 60°F Areas Of Smoke 0 to 5 mph NE 0%
Wednesday 94°F Areas Of Smoke 0 to 3 mph W 0%
Wednesday Night 61°F Mostly Clear 0 to 3 mph NNE 0%
Thursday 93°F Sunny 0 to 3 mph WSW 0%
Thursday Night 61°F Mostly Clear 3 mph WSW 0%
Friday 89°F Sunny 3 mph WSW 0%
Friday Night 60°F Mostly Clear 0 to 3 mph W 0%
Saturday 86°F Sunny 0 to 3 mph WNW 0%
Saturday Night 58°F Mostly Clear 1 to 5 mph WSW 0%
Sunday 80°F Sunny 3 mph W 0%
Sunday Night 56°F Mostly Clear 2 mph WSW 0%
Monday 80°F Mostly Sunny 3 mph W 0%

Forecast source: National Weather Service (api.weather.gov) for Alderton (47.176, -122.222). Updated through the day.

Growing snapshot for Alderton

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

More local growing data for Alderton: nearby ZIP 98390 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Mcmillin Rsvr, Wa (5.4 mi from Alderton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.