Toppenish, WA Weather & Growing Conditions
Overnight
37°F
Mostly Clear
Mostly clear, with a low around 37. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 37°F | Mostly Clear | 0 mph | 1% |
| Wednesday | 53°F | Sunny | 0 to 5 mph E | 3% |
| Wednesday Night | 40°F | Chance Rain Showers | 1 to 6 mph SW | 29% |
| Thursday | 58°F | Sunny | 3 to 7 mph W | 6% |
| Thursday Night | 37°F | Partly Cloudy | 0 to 5 mph SW | 2% |
| Friday | 57°F | Mostly Cloudy | 0 to 3 mph S | 7% |
| Friday Night | 40°F | Mostly Cloudy | 2 mph SW | 7% |
| Saturday | 57°F | Mostly Sunny | 0 to 3 mph NE | 1% |
| Saturday Night | 42°F | Mostly Cloudy | 1 to 7 mph SW | 5% |
| Sunday | 60°F | Partly Sunny | 3 to 12 mph SW | 5% |
| Sunday Night | 39°F | Mostly Cloudy | 0 to 5 mph W | 2% |
| Monday | 56°F | Partly Sunny then Slight Chance Rain Showers | 2 mph NW | 15% |
| Monday Night | 39°F | Slight Chance Rain Showers | 1 mph NW | 21% |
| Tuesday | 58°F | Slight Chance Rain Showers | 0 to 3 mph S | 21% |
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 Nov 4, 2026.