Cottage Lake, WA Weather & Growing Conditions
Today
73°F
Partly Sunny
Partly sunny. High near 73, with temperatures falling to around 71 in the afternoon. North wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Partly Sunny | 1 mph N | 0% |
| Tonight | 51°F | Mostly Clear | 1 mph N | 0% |
| Sunday | 72°F | Mostly Sunny | 2 mph NNW | 0% |
| Sunday Night | 51°F | Partly Cloudy | 2 mph N | 0% |
| Monday | 71°F | Mostly Sunny | 2 mph NNW | 0% |
| Monday Night | 51°F | Partly Cloudy | 2 mph N | 0% |
| Tuesday | 68°F | Partly Sunny | 1 mph N | 0% |
| Tuesday Night | 50°F | Mostly Cloudy | 1 mph NNE | 10% |
| Wednesday | 67°F | Partly Sunny then Slight Chance Light Rain | 1 mph SSW | 17% |
| Wednesday Night | 50°F | Slight Chance Light Rain then Mostly Cloudy | 1 mph NNE | 17% |
| Thursday | 64°F | Mostly Cloudy then Slight Chance Light Rain | 2 mph N | 20% |
| Thursday Night | 49°F | Slight Chance Light Rain | 2 mph N | 20% |
| Friday | 63°F | Slight Chance Light Rain | 2 mph NNW | 17% |
| Friday Night | 47°F | Slight Chance Light Rain | 2 mph NNE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cottage Lake, WA
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
8b
Explore more for Cottage Lake, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Monroe, Wa (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.