Toppenish, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Toppenish, a city in Yakima County, Washington.

This Afternoon

56°F

Slight Chance Rain Showers

A slight chance of rain showers before 1pm. Mostly cloudy. High near 56, with temperatures falling to around 51 in the afternoon. West wind around 5 mph. Chance of precipitation is 20%.

7-day forecast for Toppenish

When	Temp	Forecast	Wind	Precip
This Afternoon	56°F	Slight Chance Rain Showers	5 mph W	15%
Tonight	31°F	Patchy Fog	0 to 3 mph N	2%
Wednesday	56°F	Patchy Fog then Sunny	2 mph E	5%
Wednesday Night	36°F	Chance Rain Showers	1 mph SW	50%
Thursday	59°F	Patchy Fog then Mostly Sunny	2 mph W	2%
Thursday Night	35°F	Partly Cloudy	2 mph W	5%
Friday	59°F	Mostly Cloudy	2 mph SW	5%
Friday Night	36°F	Mostly Cloudy	1 mph W	2%
Saturday	60°F	Partly Sunny	1 mph E	0%
Saturday Night	37°F	Mostly Cloudy	2 mph SW	7%
Sunday	62°F	Partly Sunny	2 to 9 mph SW	7%
Sunday Night	35°F	Mostly Cloudy	0 to 3 mph W	7%
Monday	58°F	Partly Sunny	1 mph SE	10%
Monday Night	36°F	Chance Rain Showers	1 mph E	32%

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

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 Nov 3, 2026.