Twin Lakes, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Twin Lakes, a community in Ferry County, Washington.
Overnight
35°F
Partly Cloudy
Partly cloudy, with a low around 35. Northwest wind around 1 mph.
7-day forecast for Twin Lakes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 35°F | Partly Cloudy | 1 mph NW | 1% |
| Wednesday | 50°F | Sunny | 0 to 3 mph SE | 2% |
| Wednesday Night | 36°F | Chance Rain Showers | 2 mph S | 34% |
| Thursday | 49°F | Chance Rain Showers then Partly Sunny | 3 mph S | 34% |
| Thursday Night | 35°F | Mostly Cloudy | 3 mph E | 8% |
| Friday | 47°F | Mostly Cloudy | 1 to 6 mph SE | 8% |
| Friday Night | 36°F | Mostly Cloudy | 3 mph E | 14% |
| Saturday | 52°F | Mostly Cloudy | 3 mph NE | 9% |
| Saturday Night | 39°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph NW | 15% |
| Sunday | 51°F | Slight Chance Rain Showers then Partly Sunny | 5 to 9 mph SW | 15% |
| Sunday Night | 36°F | Mostly Cloudy | 5 mph W | 2% |
| Monday | 49°F | Partly Sunny then Slight Chance Rain Showers | 3 mph NE | 15% |
| Monday Night | 37°F | Chance Rain Showers | 2 mph NE | 36% |
| Tuesday | 51°F | Chance Rain Showers | 3 mph SE | 36% |
Forecast source: National Weather Service (api.weather.gov) for Twin Lakes (48.262, -118.359). Updated through the day.
Growing snapshot for Twin Lakes
Last spring frost
May 16
First fall frost
Sep 15
Growing season
120 days
Hardiness zone
6b
More local growing data for Twin Lakes: nearby ZIP 99138 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Chewelah, Wa (30 mi from Twin Lakes). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.