McKenna, WA Weather & Growing Conditions
Overnight
36°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 36. East northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 36°F | Patchy Fog | 1 mph ENE | 2% |
| Wednesday | 61°F | Patchy Fog then Light Rain Likely | 0 to 9 mph SSW | 71% |
| Wednesday Night | 44°F | Light Rain | 9 to 14 mph SSW | 91% |
| Thursday | 60°F | Slight Chance Light Rain then Mostly Sunny | 6 to 9 mph SSW | 17% |
| Thursday Night | 42°F | Mostly Cloudy then Light Rain Likely | 5 to 9 mph S | 65% |
| Friday | 59°F | Light Rain Likely | 7 to 18 mph S | 74% |
| Friday Night | 46°F | Light Rain Likely | 1 to 7 mph SSE | 66% |
| Saturday | 66°F | Mostly Cloudy then Chance Light Rain | 1 mph S | 26% |
| Saturday Night | 48°F | Light Rain | 1 to 16 mph SSW | 81% |
| Sunday | 58°F | Light Rain Likely | 2 to 14 mph SSW | 57% |
| Sunday Night | 38°F | Slight Chance Light Rain | 2 mph SSE | 15% |
| Monday | 58°F | Chance Light Rain | 2 mph SSW | 36% |
| Monday Night | 44°F | Chance Light Rain | 2 to 12 mph S | 52% |
| Tuesday | 60°F | Chance Light Rain | 7 to 15 mph S | 52% |
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 Nov 4, 2026.