Twin Lakes, WA Weather & Growing Conditions
Today
46°F
Sunny
Sunny. High near 46, with temperatures falling to around 42 in the afternoon. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 46°F | Sunny | 3 mph S | 2% |
| Tonight | 36°F | Chance Rain Showers | 3 mph SW | 34% |
| Thursday | 45°F | Chance Rain Showers then Partly Sunny | 3 mph S | 34% |
| Thursday Night | 34°F | Mostly Cloudy | 3 mph SE | 8% |
| Friday | 42°F | Mostly Cloudy | 5 mph SE | 8% |
| Friday Night | 36°F | Mostly Cloudy | 5 mph E | 14% |
| Saturday | 48°F | Mostly Cloudy | 3 mph NE | 9% |
| Saturday Night | 39°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph SE | 16% |
| Sunday | 48°F | Slight Chance Rain Showers then Partly Sunny | 5 to 9 mph SW | 16% |
| Sunday Night | 36°F | Mostly Cloudy | 5 mph W | 2% |
| Monday | 45°F | Partly Sunny then Slight Chance Rain Showers | 3 mph NE | 15% |
| Monday Night | 37°F | Chance Rain Showers | 3 mph NE | 36% |
| Tuesday | 46°F | Chance Rain Showers | 3 mph SE | 36% |
| Tuesday Night | 39°F | Chance Rain Showers | 5 mph E | 29% |
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 Nov 4, 2026.