Cowiche, WA Weather & Growing Conditions
Overnight
55°F
Smoke
Smoke. Clear. Low around 55, with temperatures rising to around 59 overnight. Northwest wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Smoke | 8 mph NW | 0% |
| Tuesday | 85°F | Smoke | 5 to 10 mph NE | 0% |
| Tuesday Night | 60°F | Areas Of Smoke | 3 to 8 mph W | 0% |
| Wednesday | 91°F | Areas Of Smoke | 7 mph N | 0% |
| Wednesday Night | 62°F | Areas Of Smoke then Clear | 3 to 10 mph NW | 0% |
| Thursday | 97°F | Sunny | 6 to 10 mph W | 0% |
| Thursday Night | 64°F | Clear | 6 to 18 mph NW | 0% |
| Friday | 95°F | Sunny | 5 to 20 mph NW | 0% |
| Friday Night | 62°F | Mostly Clear | 14 to 20 mph NW | 0% |
| Saturday | 90°F | Sunny | 3 to 16 mph W | 0% |
| Saturday Night | 60°F | Mostly Clear | 16 to 21 mph NW | 0% |
| Sunday | 86°F | Sunny | 5 to 16 mph NW | 0% |
| Sunday Night | 58°F | Mostly Clear | 13 to 20 mph NW | 0% |
| Monday | 85°F | Sunny | 5 to 14 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cowiche, WA
Last spring frost
Apr 8
First fall frost
Oct 23
Growing season
196 days
Hardiness zone
7a
Explore more for Cowiche, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Yakima #2, Wa (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.