Harman US

Metaline Falls, WA Weather & Growing Conditions

Tonight
44°F
Mostly Clear
Mostly clear, with a low around 44. North wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 44°F Mostly Clear 6 mph N 0%
Saturday 58°F Sunny 2 to 6 mph SE 0%
Saturday Night 45°F Partly Cloudy 5 mph E 0%
Sunday 59°F Sunny 6 mph W 0%
Sunday Night 45°F Mostly Clear 5 mph E 0%
Monday 59°F Sunny 7 mph SE 0%
Monday Night 45°F Partly Cloudy 6 mph SE 0%
Tuesday 56°F Mostly Sunny 7 mph SE 1%
Tuesday Night 42°F Partly Cloudy 8 mph SE 1%
Wednesday 51°F Mostly Sunny 8 mph SE 1%
Wednesday Night 41°F Partly Cloudy 7 mph SE 1%
Thursday 54°F Mostly Sunny 7 mph SE 7%
Thursday Night 44°F Mostly Cloudy 5 to 8 mph E 13%
Friday 52°F Partly Sunny then Slight Chance Rain Showers 8 mph S 20%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Metaline Falls, WA

Last spring frost
May 4
First fall frost
Oct 4
Growing season
153 days
Hardiness zone
6a

Explore more for Metaline Falls, WA: full frost dates · planting calendar · Washington frost dates

Climate data from the nearest NOAA station, Boundary Dam, Wa (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.