Anderson Island, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Anderson Island, a community in Pierce County, Washington.
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. North wind around 1 mph.
7-day forecast for Anderson Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 1 mph N | 0% |
| Sunday | 72°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Sunday Night | 52°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Monday | 70°F | Partly Sunny | 2 mph NW | 0% |
| Monday Night | 53°F | Partly Cloudy | 2 mph WNW | 0% |
| Tuesday | 69°F | Partly Sunny | 0 to 3 mph SW | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 5 mph SW | 6% |
| Wednesday | 67°F | Partly Sunny | 6 mph SW | 7% |
| Wednesday Night | 51°F | Mostly Cloudy | 1 to 6 mph W | 7% |
| Thursday | 64°F | Mostly Cloudy then Slight Chance Light Rain | 1 to 6 mph NNE | 20% |
| Thursday Night | 51°F | Slight Chance Light Rain | 1 to 6 mph NNE | 20% |
| Friday | 63°F | Slight Chance Light Rain then Partly Sunny | 1 to 7 mph N | 17% |
| Friday Night | 50°F | Mostly Cloudy | 3 to 7 mph ENE | 10% |
| Saturday | 65°F | Partly Sunny | 3 to 7 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Anderson Island (47.150, -122.682). Updated through the day.
Growing snapshot for Anderson Island
Last spring frost
Mar 11
First fall frost
Nov 21
Growing season
254 days
Hardiness zone
8b
More local growing data for Anderson 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 Anderson Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.