McKenna, WA Weather & Growing Conditions
Today
90°F
Sunny then Smoke
Smoke after noon. Sunny, with a high near 90. Northeast wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny then Smoke | 2 to 7 mph NE | 0% |
| Tonight | 58°F | Smoke | 0 to 6 mph NE | 0% |
| Wednesday | 95°F | Areas Of Smoke | 0 to 5 mph N | 0% |
| Wednesday Night | 59°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 93°F | Sunny | 0 to 5 mph NW | 0% |
| Thursday Night | 58°F | Mostly Clear | 1 to 5 mph WSW | 0% |
| Friday | 90°F | Sunny | 1 to 6 mph WSW | 0% |
| Friday Night | 56°F | Mostly Clear | 0 to 6 mph SW | 0% |
| Saturday | 86°F | Sunny | 0 to 8 mph WSW | 0% |
| Saturday Night | 53°F | Mostly Clear | 2 to 8 mph WSW | 0% |
| Sunday | 80°F | Mostly Sunny | 2 to 6 mph W | 0% |
| Sunday Night | 52°F | Mostly Clear | 1 to 6 mph W | 0% |
| Monday | 80°F | Mostly Sunny | 1 to 5 mph WNW | 0% |
| Monday Night | 52°F | Partly Cloudy | 1 to 5 mph WSW | 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
Explore more for McKenna, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Olympia Ap, Wa (16.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.