Harman US

Duvall, WA Weather & Growing Conditions

Today
84°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 84. North northeast wind 0 to 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 84°F Areas Of Smoke 0 to 6 mph NNE 0%
Tonight 57°F Areas Of Smoke 0 to 3 mph N 0%
Wednesday 89°F Areas Of Smoke 0 to 3 mph NNW 0%
Wednesday Night 59°F Clear 0 to 3 mph NNW 0%
Thursday 90°F Sunny 2 mph NW 0%
Thursday Night 59°F Mostly Clear 2 mph NW 0%
Friday 86°F Sunny 2 mph W 0%
Friday Night 58°F Mostly Clear 0 to 3 mph N 0%
Saturday 82°F Sunny 0 to 6 mph NNW 0%
Saturday Night 56°F Mostly Clear 0 to 7 mph N 1%
Sunday 78°F Mostly Sunny 2 mph NW 1%
Sunday Night 55°F Mostly Clear 2 mph NNW 2%
Monday 77°F Mostly Sunny 2 mph WNW 3%
Monday Night 55°F Partly Cloudy 2 mph N 1%

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

Growing snapshot for Duvall, WA

Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
8b

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

Climate data from the nearest NOAA station, Monroe, Wa (8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.