Steilacoom, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Steilacoom, a town in Pierce County, Washington.
Overnight
56°F
Mostly Clear
Mostly clear, with a low around 56. East northeast wind around 5 mph.
7-day forecast for Steilacoom
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Mostly Clear | 5 mph ENE | 0% |
| Tuesday | 85°F | Sunny then Areas Of Smoke | 5 to 8 mph NE | 0% |
| Tuesday Night | 60°F | Smoke | 2 to 8 mph NE | 0% |
| Wednesday | 90°F | Sunny then Patchy Smoke | 2 to 7 mph NNE | 0% |
| Wednesday Night | 60°F | Mostly Clear | 1 to 7 mph N | 0% |
| Thursday | 89°F | Sunny | 1 to 6 mph WNW | 0% |
| Thursday Night | 59°F | Mostly Clear | 6 mph WSW | 0% |
| Friday | 85°F | Sunny | 6 mph WSW | 0% |
| Friday Night | 58°F | Mostly Clear | 2 to 6 mph WSW | 0% |
| Saturday | 82°F | Sunny | 2 to 8 mph WSW | 0% |
| Saturday Night | 56°F | Mostly Clear | 3 to 8 mph SW | 0% |
| Sunday | 77°F | Mostly Sunny | 6 mph WSW | 0% |
| Sunday Night | 55°F | Mostly Clear | 2 to 6 mph WSW | 0% |
| Monday | 77°F | Mostly Sunny | 2 to 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Steilacoom (47.169, -122.592). Updated through the day.
Growing snapshot for Steilacoom
Last spring frost
Mar 11
First fall frost
Nov 21
Growing season
254 days
Hardiness zone
8b
More local growing data for Steilacoom: nearby ZIP 98498 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 (7.5 mi from Steilacoom). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.