Twin Lakes, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Twin Lakes, a community in Ferry County, Washington.
This Afternoon
76°F
Mostly Sunny
Mostly sunny, with a high near 76. Southeast wind around 5 mph.
7-day forecast for Twin Lakes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Mostly Sunny | 5 mph SE | 0% |
| Tonight | 52°F | Mostly Clear | 2 mph W | 0% |
| Sunday | 78°F | Sunny | 1 to 5 mph SE | 0% |
| Sunday Night | 54°F | Partly Cloudy | 2 mph N | 0% |
| Monday | 80°F | Sunny | 5 mph SE | 0% |
| Monday Night | 54°F | Partly Cloudy | 3 mph NW | 0% |
| Tuesday | 76°F | Mostly Sunny | 1 to 6 mph S | 0% |
| Tuesday Night | 51°F | Mostly Cloudy | 1 to 5 mph SW | 0% |
| Wednesday | 69°F | Mostly Sunny | 1 to 7 mph S | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 1 to 7 mph W | 4% |
| Thursday | 66°F | Partly Sunny | 1 to 5 mph SE | 8% |
| Thursday Night | 48°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph NW | 16% |
| Friday | 64°F | Slight Chance Rain Showers | 5 mph W | 22% |
| Friday Night | 46°F | Slight Chance Rain Showers | 7 mph NW | 22% |
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 Sep 19, 2026.