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
54°F
Haze
Haze and patchy smoke. Mostly clear. Low around 54, with temperatures rising to around 56 overnight. Northwest wind around 3 mph.
7-day forecast for Twin Lakes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Haze | 3 mph NW | 0% |
| Tuesday | 84°F | Haze | 5 mph NE | 0% |
| Tuesday Night | 57°F | Haze | 5 mph NW | 0% |
| Wednesday | 87°F | Sunny | 2 to 7 mph SE | 0% |
| Wednesday Night | 60°F | Mostly Clear | 2 to 6 mph W | 0% |
| Thursday | 92°F | Sunny | 1 to 7 mph S | 0% |
| Thursday Night | 63°F | Mostly Clear | 1 to 7 mph NW | 0% |
| Friday | 91°F | Sunny | 1 to 9 mph SW | 0% |
| Friday Night | 62°F | Mostly Clear | 5 to 9 mph W | 0% |
| Saturday | 88°F | Sunny | 2 to 9 mph SW | 0% |
| Saturday Night | 60°F | Partly Cloudy | 5 to 9 mph W | 0% |
| Sunday | 85°F | Sunny | 2 to 7 mph S | 0% |
| Sunday Night | 59°F | Mostly Clear | 2 to 7 mph W | 0% |
| Monday | 84°F | Sunny | 2 to 7 mph SE | 1% |
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 Aug 4, 2026.