Cougar, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cougar, a community in Cowlitz County, Washington.
Overnight
39°F
Mostly Clear
Mostly clear. Low around 39, with temperatures rising to around 41 overnight. East northeast wind around 5 mph.
7-day forecast for Cougar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Mostly Clear | 5 mph ENE | 4% |
| Wednesday | 51°F | Partly Sunny then Chance Light Rain | 5 mph SE | 50% |
| Wednesday Night | 42°F | Light Rain | 2 to 6 mph SSW | 97% |
| Thursday | 47°F | Slight Chance Light Rain then Partly Sunny | 2 mph SW | 33% |
| Thursday Night | 43°F | Mostly Cloudy then Chance Light Rain | 0 to 6 mph ENE | 39% |
| Friday | 49°F | Light Rain Likely | 1 to 6 mph ESE | 60% |
| Friday Night | 47°F | Light Rain Likely | 1 to 8 mph E | 60% |
| Saturday | 56°F | Partly Sunny then Chance Light Rain | 2 to 9 mph ESE | 25% |
| Saturday Night | 44°F | Rain | 2 to 13 mph SSE | 81% |
| Sunday | 48°F | Light Rain | 0 to 6 mph WSW | 81% |
| Sunday Night | 43°F | Slight Chance Light Rain | 0 to 7 mph NE | 18% |
| Monday | 49°F | Chance Light Rain | 1 to 6 mph ESE | 43% |
| Monday Night | 46°F | Chance Light Rain | 1 to 8 mph SE | 50% |
| Tuesday | 51°F | Chance Light Rain | 2 to 8 mph SE | 49% |
Forecast source: National Weather Service (api.weather.gov) for Cougar (46.049, -122.303). Updated through the day.
Growing snapshot for Cougar
Last spring frost
Apr 1
First fall frost
Nov 18
Growing season
227 days
Hardiness zone
8b
More local growing data for Cougar: nearby ZIP 98603 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cougar 6 E, Wa (10.1 mi from Cougar). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.