Cowiche, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cowiche, a community in Yakima County, Washington.
Overnight
55°F
Smoke
Smoke. Clear. Low around 55, with temperatures rising to around 59 overnight. Northwest wind around 8 mph.
7-day forecast for Cowiche
| 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) for Cowiche (46.672, -120.712). Updated through the day.
Growing snapshot for Cowiche
Last spring frost
Apr 8
First fall frost
Oct 23
Growing season
196 days
Hardiness zone
7a
More local growing data for Cowiche: nearby ZIP 98923 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Ahtanum
Buena
Cliffdell
Donald
Eschbach
Gleed
Grandview
Granger
Harrah
Mabton
Moxee
Naches
Nile
Outlook
Parker
Selah
Summitview
Sunnyside
Tampico
Terrace Heights
Tieton
Toppenish
Union Gap
Wapato
White Swan
Yakima
Zillah
Climate data from the nearest NOAA station, Yakima #2, Wa (9 mi from Cowiche). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.