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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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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Home
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Ketron Island
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.