Ketron Island, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ketron Island, a community in Pierce County, Washington.
Overnight
43°F
Mostly Cloudy
Mostly cloudy, with a low around 43. South wind around 2 mph.
7-day forecast for Ketron Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Mostly Cloudy | 2 mph S | 1% |
| Wednesday | 58°F | Mostly Cloudy then Light Rain Likely | 2 to 12 mph S | 73% |
| Wednesday Night | 50°F | Light Rain | 10 to 18 mph SSW | 96% |
| Thursday | 58°F | Mostly Sunny | 8 to 15 mph SSW | 10% |
| Thursday Night | 48°F | Mostly Cloudy then Light Rain Likely | 8 to 13 mph S | 74% |
| Friday | 56°F | Light Rain | 6 to 17 mph S | 81% |
| Friday Night | 50°F | Light Rain Likely | 1 to 6 mph SSE | 70% |
| Saturday | 61°F | Chance Light Rain | 2 mph S | 38% |
| Saturday Night | 52°F | Light Rain | 2 to 18 mph SSW | 82% |
| Sunday | 56°F | Light Rain Likely | 3 to 15 mph SSW | 62% |
| Sunday Night | 46°F | Slight Chance Light Rain | 3 mph SSE | 15% |
| Monday | 56°F | Chance Light Rain | 3 mph ESE | 40% |
| Monday Night | 49°F | Light Rain Likely | 2 to 10 mph S | 58% |
| Tuesday | 58°F | Light Rain Likely | 6 to 13 mph S | 58% |
Forecast source: National Weather Service (api.weather.gov) for Ketron Island (47.156, -122.634). Updated through the day.
Growing snapshot for Ketron Island
Last spring frost
Mar 11
First fall frost
Nov 21
Growing season
254 days
Hardiness zone
8b
More local growing data for Ketron Island: nearby ZIP 98303 weather · frost dates · planting calendar · Washington frost dates
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Home
Kapowsin
Climate data from the nearest NOAA station, Tacoma Narrows Ap, Wa (9.5 mi from Ketron Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.