Toppenish, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Toppenish, a city in Yakima County, Washington.
Overnight
53°F
Areas Of Smoke
Areas of smoke. Clear. Low around 53, with temperatures rising to around 55 overnight. Northwest wind around 3 mph.
7-day forecast for Toppenish
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Areas Of Smoke | 3 mph NW | 0% |
| Tuesday | 89°F | Smoke | 1 to 7 mph S | 0% |
| Tuesday Night | 56°F | Areas Of Smoke | 1 to 5 mph NW | 0% |
| Wednesday | 95°F | Areas Of Smoke | 3 mph S | 0% |
| Wednesday Night | 59°F | Patchy Smoke then Clear | 2 mph E | 0% |
| Thursday | 99°F | Sunny | 3 mph SW | 0% |
| Thursday Night | 62°F | Clear | 2 to 6 mph W | 0% |
| Friday | 98°F | Sunny | 5 mph W | 0% |
| Friday Night | 60°F | Mostly Clear | 3 to 12 mph NW | 0% |
| Saturday | 94°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 58°F | Mostly Clear | 5 to 12 mph NW | 0% |
| Sunday | 90°F | Sunny | 5 mph NW | 0% |
| Sunday Night | 56°F | Mostly Clear | 3 to 9 mph NW | 0% |
| Monday | 89°F | Sunny | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Toppenish (46.380, -120.313). Updated through the day.
Growing snapshot for Toppenish
Last spring frost
Apr 21
First fall frost
Oct 15
Growing season
176 days
Hardiness zone
7a
More local growing data for Toppenish: nearby ZIP 98921 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Wapato, Wa (4.9 mi from Toppenish). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.