Key Center, WA Weather & Growing Conditions
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. East southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 3 mph ESE | 0% |
| Tonight | 52°F | Mostly Clear | 3 mph NE | 0% |
| Sunday | 72°F | Mostly Sunny | 1 to 5 mph ENE | 0% |
| Sunday Night | 51°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Monday | 70°F | Partly Sunny | 0 to 3 mph W | 0% |
| Monday Night | 53°F | Partly Cloudy | 0 to 3 mph NNE | 1% |
| Tuesday | 68°F | Mostly Cloudy | 0 to 5 mph SSW | 1% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 mph SW | 6% |
| Wednesday | 67°F | Partly Sunny | 2 to 8 mph SW | 6% |
| Wednesday Night | 49°F | Mostly Cloudy | 1 to 8 mph NW | 10% |
| Thursday | 64°F | Mostly Cloudy then Slight Chance Light Rain | 1 to 7 mph NNE | 18% |
| Thursday Night | 49°F | Slight Chance Light Rain | 1 to 7 mph N | 18% |
| Friday | 63°F | Slight Chance Light Rain | 1 to 9 mph NW | 17% |
| Friday Night | 48°F | Mostly Cloudy | 5 to 9 mph NNE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Key Center, WA
Last spring frost
Mar 11
First fall frost
Nov 21
Growing season
254 days
Hardiness zone
8b
Explore more for Key Center, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Tacoma Narrows Ap, Wa (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.