Toppenish, WA Weather & Growing Conditions
Overnight
55°F
Mostly Clear
Mostly clear. Low around 55, with temperatures rising to around 57 overnight. Southwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Mostly Clear | 2 mph SW | 0% |
| Saturday | 81°F | Sunny | 1 to 7 mph N | 0% |
| Saturday Night | 56°F | Mostly Clear | 1 to 6 mph SW | 0% |
| Sunday | 83°F | Sunny | 1 to 6 mph NE | 0% |
| Sunday Night | 57°F | Mostly Clear | 2 to 6 mph SW | 0% |
| Monday | 84°F | Sunny | 5 mph N | 0% |
| Monday Night | 57°F | Partly Cloudy | 5 mph NW | 0% |
| Tuesday | 80°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Tuesday Night | 53°F | Partly Cloudy | 2 to 6 mph NW | 0% |
| Wednesday | 74°F | Mostly Sunny | 5 mph NW | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 5 mph W | 0% |
| Thursday | 71°F | Mostly Sunny | 5 mph N | 5% |
| Thursday Night | 52°F | Mostly Cloudy | 5 mph N | 7% |
| Friday | 68°F | Mostly Sunny | 2 to 7 mph NW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Toppenish, WA
Last spring frost
Apr 21
First fall frost
Oct 15
Growing season
176 days
Hardiness zone
7a
Explore more for Toppenish, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Wapato, Wa (13.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.