Key Center, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Key Center, a community in Pierce County, Washington.
This Afternoon
56°F
Partly Sunny
Partly sunny. High near 56, with temperatures falling to around 51 in the afternoon. Northeast wind around 3 mph.
7-day forecast for Key Center
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 56°F | Partly Sunny | 3 mph NE | 4% |
| Tonight | 39°F | Patchy Fog | 2 mph NE | 3% |
| Wednesday | 55°F | Patchy Fog then Chance Light Rain | 1 to 7 mph SSW | 35% |
| Wednesday Night | 47°F | Light Rain | 7 to 13 mph SSW | 100% |
| Thursday | 56°F | Partly Sunny | 7 to 10 mph SSW | 14% |
| Thursday Night | 46°F | Light Rain | 7 mph SSW | 82% |
| Friday | 55°F | Light Rain | 7 to 10 mph SSW | 82% |
| Friday Night | 46°F | Chance Light Rain | 2 to 8 mph SSW | 46% |
| Saturday | 59°F | Chance Light Rain | 2 to 6 mph SSW | 39% |
| Saturday Night | 49°F | Light Rain | 6 to 22 mph SSW | 79% |
| Sunday | 56°F | Light Rain Likely | 7 to 18 mph SW | 69% |
| Sunday Night | 43°F | Chance Light Rain | 2 to 7 mph SSE | 29% |
| Monday | 55°F | Light Rain Likely | 2 to 7 mph SE | 58% |
| Monday Night | 47°F | Light Rain Likely | 7 to 10 mph S | 74% |
Forecast source: National Weather Service (api.weather.gov) for Key Center (47.331, -122.755). Updated through the day.
Growing snapshot for Key Center
Last spring frost
Mar 11
First fall frost
Nov 21
Growing season
254 days
Hardiness zone
8b
More local growing data for Key Center: nearby ZIP 98329 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Tacoma Narrows Ap, Wa (10.2 mi from Key Center). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.