Harman US

Peaceful Valley, WA Weather & Growing Conditions

This Afternoon
55°F
Mostly Cloudy
Mostly cloudy. High near 55, with temperatures falling to around 50 in the afternoon. South southwest wind around 1 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 55°F Mostly Cloudy 1 mph SSW 5%
Tonight 39°F Partly Cloudy 3 mph E 5%
Wednesday 57°F Mostly Sunny 3 mph ENE 14%
Wednesday Night 45°F Light Rain 1 to 6 mph SSE 99%
Thursday 54°F Light Rain Likely 2 to 7 mph S 59%
Thursday Night 44°F Light Rain 2 to 6 mph SE 93%
Friday 53°F Light Rain 5 to 9 mph SSE 93%
Friday Night 44°F Chance Light Rain 7 mph ESE 48%
Saturday 57°F Chance Light Rain 7 mph ESE 44%
Saturday Night 47°F Rain 6 to 16 mph SSE 83%
Sunday 53°F Light Rain 5 to 15 mph S 83%
Sunday Night 40°F Chance Light Rain 6 mph SE 38%
Monday 53°F Light Rain Likely 6 mph E 55%
Monday Night 44°F Light Rain 3 to 8 mph E 77%

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

Growing snapshot for Peaceful Valley, WA

Last spring frost
Apr 18
First fall frost
Oct 18
Growing season
185 days
Hardiness zone
8a

Explore more for Peaceful Valley, WA: full frost dates · planting calendar · Washington frost dates

Climate data from the nearest NOAA station, Clearbrook, Wa (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.