McKenna, WA Weather & Growing Conditions
Today
89°F
Areas Of Smoke
Areas of smoke after 11am. Sunny, with a high near 89. North wind 1 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Areas Of Smoke | 1 to 6 mph N | 0% |
| Tonight | 58°F | Smoke | 0 to 5 mph ENE | 0% |
| Wednesday | 94°F | Areas Of Smoke | 0 to 3 mph N | 0% |
| Wednesday Night | 60°F | Mostly Clear | 0 to 3 mph N | 0% |
| Thursday | 93°F | Sunny | 0 to 3 mph NNW | 0% |
| Thursday Night | 59°F | Mostly Clear | 0 to 3 mph W | 0% |
| Friday | 89°F | Sunny | 0 to 5 mph WSW | 0% |
| Friday Night | 56°F | Mostly Clear | 0 to 5 mph W | 0% |
| Saturday | 85°F | Sunny | 0 to 7 mph NW | 0% |
| Saturday Night | 53°F | Mostly Clear | 1 to 7 mph SW | 0% |
| Sunday | 79°F | Mostly Sunny | 1 to 5 mph W | 0% |
| Sunday Night | 52°F | Partly Cloudy | 0 to 5 mph WNW | 0% |
| Monday | 79°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 52°F | Partly Cloudy | 0 to 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for McKenna, WA
Last spring frost
Apr 29
First fall frost
Oct 14
Growing season
169 days
Hardiness zone
8b
Explore more for McKenna, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Olympia Ap, Wa (21.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.