Twin Lakes, WA Weather & Growing Conditions
Tonight
52°F
Mostly Clear
Mostly clear. Low around 52, with temperatures rising to around 54 overnight. West wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 3 mph W | 0% |
| Sunday | 73°F | Sunny | 1 to 5 mph E | 0% |
| Sunday Night | 54°F | Partly Cloudy | 2 mph N | 0% |
| Monday | 75°F | Sunny | 2 to 6 mph S | 0% |
| Monday Night | 55°F | Partly Cloudy | 5 mph NW | 0% |
| Tuesday | 70°F | Mostly Sunny | 1 to 6 mph S | 0% |
| Tuesday Night | 49°F | Mostly Cloudy | 2 to 6 mph SW | 0% |
| Wednesday | 64°F | Mostly Sunny | 2 to 7 mph S | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 2 to 7 mph W | 4% |
| Thursday | 60°F | Partly Sunny | 5 mph SE | 8% |
| Thursday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph NW | 16% |
| Friday | 58°F | Slight Chance Rain Showers | 6 mph SW | 21% |
| Friday Night | 44°F | Slight Chance Rain Showers | 7 mph NW | 21% |
| Saturday | 56°F | Mostly Sunny | 6 mph NE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Twin Lakes, WA
Last spring frost
May 16
First fall frost
Sep 15
Growing season
120 days
Hardiness zone
6b
Explore more for Twin Lakes, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Chewelah, Wa (30 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.