Cougar, WA Weather & Growing Conditions
Tonight
39°F
Mostly Clear
Mostly clear, with a low around 39. East northeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 39°F | Mostly Clear | 3 mph ENE | 4% |
| Wednesday | 53°F | Partly Sunny then Chance Light Rain | 3 mph SSW | 45% |
| Wednesday Night | 44°F | Light Rain | 3 mph W | 99% |
| Thursday | 50°F | Slight Chance Light Rain then Partly Sunny | 2 mph SW | 29% |
| Thursday Night | 42°F | Mostly Cloudy then Chance Light Rain | 0 to 3 mph ESE | 37% |
| Friday | 51°F | Light Rain Likely | 0 to 3 mph SE | 61% |
| Friday Night | 46°F | Light Rain Likely | 0 to 5 mph SE | 61% |
| Saturday | 58°F | Partly Sunny then Slight Chance Light Rain | 6 mph ESE | 24% |
| Saturday Night | 47°F | Rain | 3 to 8 mph S | 81% |
| Sunday | 50°F | Light Rain | 0 to 7 mph WSW | 81% |
| Sunday Night | 43°F | Slight Chance Light Rain | 0 to 6 mph NE | 18% |
| Monday | 52°F | Chance Light Rain | 2 to 6 mph ESE | 41% |
| Monday Night | 45°F | Chance Light Rain | 2 to 7 mph SE | 48% |
| Tuesday | 54°F | Chance Light Rain | 2 to 7 mph SE | 48% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cougar, WA
Last spring frost
Apr 1
First fall frost
Nov 18
Growing season
227 days
Hardiness zone
8a
Explore more for Cougar, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Cougar 6 E, Wa (1.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.