Anderson Island, WA Weather & Growing Conditions
Tonight
43°F
Partly Cloudy
Partly cloudy, with a low around 43. Southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Partly Cloudy | 1 mph SE | 3% |
| Wednesday | 57°F | Patchy Fog then Chance Light Rain | 1 to 6 mph SSW | 36% |
| Wednesday Night | 50°F | Light Rain | 6 to 14 mph SSW | 99% |
| Thursday | 57°F | Slight Chance Light Rain then Partly Sunny | 6 to 12 mph SSW | 16% |
| Thursday Night | 50°F | Light Rain | 7 mph S | 78% |
| Friday | 56°F | Light Rain | 5 to 10 mph S | 78% |
| Friday Night | 50°F | Chance Light Rain | 5 mph S | 45% |
| Saturday | 60°F | Chance Light Rain | 2 mph S | 36% |
| Saturday Night | 52°F | Light Rain | 2 to 20 mph SSW | 75% |
| Sunday | 57°F | Light Rain Likely | 3 to 17 mph SW | 71% |
| Sunday Night | 47°F | Chance Light Rain | 3 mph SSE | 27% |
| Monday | 56°F | Chance Light Rain | 1 to 5 mph SE | 54% |
| Monday Night | 50°F | Light Rain Likely | 5 to 13 mph S | 71% |
| Tuesday | 57°F | Light Rain Likely | 7 to 14 mph S | 71% |
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 Nov 4, 2026.