Toppenish, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Toppenish, a city in Yakima County, Washington.
Overnight
50°F
Mostly Clear
Mostly clear. Low around 50, with temperatures rising to around 52 overnight. West wind around 1 mph.
7-day forecast for Toppenish
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 1 mph W | 0% |
| Saturday | 82°F | Sunny | 0 to 5 mph E | 0% |
| Saturday Night | 51°F | Mostly Clear | 0 to 3 mph E | 0% |
| Sunday | 83°F | Sunny | 2 mph E | 0% |
| Sunday Night | 52°F | Clear | 2 mph NE | 0% |
| Monday | 84°F | Sunny | 2 mph N | 0% |
| Monday Night | 52°F | Partly Cloudy | 3 mph NW | 0% |
| Tuesday | 80°F | Mostly Sunny | 2 mph NW | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 3 mph NW | 0% |
| Wednesday | 75°F | Mostly Sunny | 2 mph N | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph NW | 0% |
| Thursday | 72°F | Mostly Sunny | 2 mph NE | 5% |
| Thursday Night | 48°F | Mostly Cloudy | 2 mph NW | 7% |
| Friday | 69°F | Mostly Sunny | 3 mph NW | 5% |
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 Sep 19, 2026.