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Trout Lake, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Trout Lake, a community in Klickitat County, Washington.

This Afternoon
80°F
Mostly Sunny
Mostly sunny, with a high near 80. South wind around 3 mph.

7-day forecast for Trout Lake

WhenTempForecastWindPrecip
This Afternoon 80°F Mostly Sunny 3 mph S 0%
Tonight 52°F Mostly Clear 2 mph NW 0%
Sunday 84°F Sunny 3 mph SE 0%
Sunday Night 54°F Mostly Clear 1 mph N 0%
Monday 84°F Sunny 0 to 5 mph W 0%
Monday Night 47°F Partly Cloudy 5 mph W 0%
Tuesday 74°F Mostly Sunny 3 to 8 mph W 0%
Tuesday Night 41°F Partly Cloudy 3 to 8 mph W 0%
Wednesday 70°F Mostly Sunny 3 to 7 mph W 0%
Wednesday Night 42°F Mostly Cloudy 1 to 7 mph NW 2%
Thursday 69°F Partly Sunny 3 mph S 5%
Thursday Night 42°F Mostly Cloudy 2 mph NW 8%
Friday 65°F Partly Sunny 1 to 6 mph W 10%
Friday Night 40°F Partly Cloudy 2 to 6 mph NW 8%

Forecast source: National Weather Service (api.weather.gov) for Trout Lake (45.998, -121.529). Updated through the day.

Growing snapshot for Trout Lake

Last spring frost
May 18
First fall frost
Sep 25
Growing season
125 days
Hardiness zone
7a

More local growing data for Trout Lake: nearby ZIP 98650 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Mt Adams Rs, Wa (3.7 mi from Trout Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.