Cowiche, WA Weather & Growing Conditions
Today
74°F
Sunny
Sunny, with a high near 74. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 55°F | Mostly Clear | 3 to 7 mph SW | 0% |
| Sunday | 75°F | Sunny | 5 to 9 mph E | 0% |
| Sunday Night | 56°F | Mostly Clear | 7 mph W | 0% |
| Monday | 77°F | Sunny | 5 to 9 mph NE | 0% |
| Monday Night | 53°F | Partly Cloudy | 7 to 14 mph NW | 0% |
| Tuesday | 73°F | Mostly Sunny | 5 to 13 mph NE | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 7 to 15 mph NW | 0% |
| Wednesday | 68°F | Mostly Sunny | 5 to 14 mph NW | 1% |
| Wednesday Night | 49°F | Mostly Cloudy | 7 to 12 mph NW | 1% |
| Thursday | 65°F | Partly Sunny | 8 mph E | 6% |
| Thursday Night | 49°F | Mostly Cloudy | 8 mph NW | 10% |
| Friday | 62°F | Mostly Sunny | 7 to 12 mph NW | 6% |
| Friday Night | 46°F | Partly Cloudy | 5 to 12 mph NW | 4% |
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 (10.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.