Cottage Lake, WA Weather & Growing Conditions
Today
58°F
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after 5pm. Mostly cloudy. High near 58, with temperatures falling to around 53 in the afternoon. South wind around 2 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Mostly Cloudy then Slight Chance Light Rain | 2 mph S | 22% |
| Tonight | 48°F | Light Rain | 5 mph SSE | 94% |
| Thursday | 55°F | Slight Chance Light Rain then Partly Sunny | 3 mph SSE | 18% |
| Thursday Night | 45°F | Mostly Cloudy then Chance Light Rain | 3 mph SE | 47% |
| Friday | 53°F | Light Rain | 3 mph SE | 89% |
| Friday Night | 49°F | Light Rain Likely | 3 mph SE | 70% |
| Saturday | 63°F | Chance Light Rain | 2 mph SE | 31% |
| Saturday Night | 49°F | Light Rain | 0 to 10 mph S | 87% |
| Sunday | 54°F | Light Rain | 0 to 10 mph S | 78% |
| Sunday Night | 40°F | Slight Chance Light Rain then Mostly Cloudy | 2 mph ESE | 17% |
| Monday | 54°F | Partly Sunny then Slight Chance Light Rain | 2 mph ESE | 21% |
| Monday Night | 46°F | Light Rain Likely | 0 to 7 mph SSE | 57% |
| Tuesday | 55°F | Light Rain Likely | 2 to 7 mph SSE | 65% |
| Tuesday Night | 48°F | Light Rain Likely | 2 to 7 mph SE | 64% |
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 Nov 4, 2026.