Chinook, WA Weather & Growing Conditions
Today
81°F
Patchy Smoke
Patchy smoke before 3pm. Sunny. High near 81, with temperatures falling to around 76 in the afternoon. North wind 7 to 15 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Smoke | 7 to 15 mph N | 0% |
| Tonight | 60°F | Mostly Clear then Patchy Smoke | 5 to 14 mph N | 0% |
| Wednesday | 81°F | Patchy Smoke | 5 to 12 mph NNW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 2 to 12 mph NNW | 0% |
| Thursday | 75°F | Mostly Sunny | 2 to 8 mph NW | 0% |
| Thursday Night | 58°F | Partly Cloudy | 2 to 8 mph NW | 0% |
| Friday | 73°F | Mostly Sunny | 2 to 12 mph NW | 0% |
| Friday Night | 57°F | Partly Cloudy | 8 to 12 mph NNW | 0% |
| Saturday | 68°F | Mostly Sunny | 8 to 15 mph NNW | 0% |
| Saturday Night | 57°F | Mostly Cloudy | 9 to 15 mph NW | 1% |
| Sunday | 66°F | Partly Sunny | 8 to 14 mph NW | 1% |
| Sunday Night | 57°F | Mostly Cloudy | 8 to 14 mph NNW | 2% |
| Monday | 66°F | Partly Sunny | 7 to 13 mph NNW | 2% |
| Monday Night | 57°F | Mostly Cloudy | 7 to 13 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chinook, WA
Last spring frost
Apr 6
First fall frost
Oct 26
Growing season
200 days
Hardiness zone
8b
Explore more for Chinook, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Long Beach Exp Stn, Wa (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.