McKenna, WA Weather & Growing Conditions
Today
75°F
Partly Sunny
Partly sunny, with a high near 75. North northwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Partly Sunny | 2 mph NNW | 0% |
| Tonight | 48°F | Partly Cloudy | 2 mph N | 0% |
| Sunday | 75°F | Partly Sunny | 0 to 3 mph N | 0% |
| Sunday Night | 47°F | Mostly Clear | 0 to 3 mph N | 0% |
| Monday | 74°F | Mostly Sunny | 0 to 3 mph NW | 0% |
| Monday Night | 48°F | Partly Cloudy | 0 to 3 mph NNW | 0% |
| Tuesday | 71°F | Partly Sunny | 2 mph NNW | 0% |
| Tuesday Night | 46°F | Partly Cloudy | 2 mph SW | 1% |
| Wednesday | 70°F | Partly Sunny | 0 to 3 mph WSW | 5% |
| Wednesday Night | 47°F | Mostly Cloudy | 0 to 3 mph NW | 5% |
| Thursday | 67°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 6 mph N | 19% |
| Thursday Night | 47°F | Slight Chance Light Rain | 0 to 6 mph ENE | 19% |
| Friday | 66°F | Partly Sunny | 0 to 6 mph WNW | 12% |
| Friday Night | 45°F | Partly Cloudy | 1 to 6 mph NE | 10% |
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 Sep 19, 2026.