Trout Lake, WA Weather & Growing Conditions
Overnight
51°F
Partly Cloudy
Partly cloudy. Low around 51, with temperatures rising to around 53 overnight. West wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Partly Cloudy | 3 mph W | 0% |
| Saturday | 75°F | Sunny | 5 mph SW | 0% |
| Saturday Night | 56°F | Mostly Clear | 3 mph NW | 0% |
| Sunday | 77°F | Sunny | 3 mph E | 0% |
| Sunday Night | 56°F | Mostly Clear | 3 mph NW | 0% |
| Monday | 75°F | Sunny | 3 to 7 mph W | 0% |
| Monday Night | 51°F | Partly Cloudy | 8 mph W | 0% |
| Tuesday | 69°F | Mostly Sunny | 8 mph W | 0% |
| Tuesday Night | 48°F | Partly Cloudy | 7 mph W | 0% |
| Wednesday | 66°F | Mostly Sunny | 7 mph W | 0% |
| Wednesday Night | 49°F | Mostly Cloudy | 2 to 7 mph NW | 1% |
| Thursday | 66°F | Partly Sunny | 3 mph W | 6% |
| Thursday Night | 48°F | Mostly Cloudy | 3 mph W | 8% |
| Friday | 62°F | Mostly Sunny | 6 mph W | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Trout Lake, WA
Last spring frost
May 18
First fall frost
Sep 25
Growing season
125 days
Hardiness zone
7a
Explore more for Trout Lake, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Mt Adams Rs, Wa (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.