Anderson Island, WA Weather & Growing Conditions
Today
71°F
Partly Sunny
Partly sunny, with a high near 71. Northwest wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Partly Sunny | 1 mph NW | 0% |
| Tonight | 52°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 72°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 3 mph N | 0% |
| Monday | 70°F | Mostly Sunny | 2 mph WNW | 0% |
| Monday Night | 53°F | Partly Cloudy | 2 mph NNW | 0% |
| Tuesday | 69°F | Partly Sunny | 2 mph W | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 2 mph SW | 1% |
| Wednesday | 68°F | Partly Sunny | 1 to 5 mph WSW | 7% |
| Wednesday Night | 53°F | Mostly Cloudy | 0 to 5 mph NW | 7% |
| Thursday | 65°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 6 mph N | 20% |
| Thursday Night | 52°F | Slight Chance Light Rain | 1 to 6 mph NNW | 21% |
| Friday | 65°F | Mostly Sunny | 1 to 7 mph NW | 12% |
| Friday Night | 50°F | Partly Cloudy | 2 to 7 mph NNE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Anderson Island, WA
Last spring frost
Mar 11
First fall frost
Nov 21
Growing season
254 days
Hardiness zone
8b
Explore more for Anderson Island, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Tacoma Narrows Ap, Wa (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.