Duvall, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Duvall, a city in King County, Washington.
Today
85°F
Areas Of Smoke
Areas of smoke after 8am. Sunny, with a high near 85. North northeast wind 0 to 6 mph.
7-day forecast for Duvall
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Areas Of Smoke | 0 to 6 mph NNE | 0% |
| Tonight | 56°F | Areas Of Smoke | 0 to 5 mph N | 0% |
| Wednesday | 90°F | Areas Of Smoke | 0 to 3 mph NNW | 0% |
| Wednesday Night | 59°F | Clear | 0 to 3 mph N | 0% |
| Thursday | 91°F | Sunny | 2 mph NW | 0% |
| Thursday Night | 60°F | Mostly Clear | 2 mph NE | 0% |
| Friday | 87°F | Sunny | 2 mph WSW | 0% |
| Friday Night | 58°F | Mostly Clear | 3 mph N | 0% |
| Saturday | 83°F | Sunny | 0 to 6 mph NNW | 0% |
| Saturday Night | 56°F | Mostly Clear | 0 to 8 mph N | 1% |
| Sunday | 79°F | Mostly Sunny | 2 mph NW | 1% |
| Sunday Night | 55°F | Mostly Clear | 2 mph N | 2% |
| Monday | 79°F | Mostly Sunny | 2 mph NW | 3% |
| Monday Night | 55°F | Partly Cloudy | 2 mph N | 1% |
Forecast source: National Weather Service (api.weather.gov) for Duvall (47.736, -121.972). Updated through the day.
Growing snapshot for Duvall
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
8b
More local growing data for Duvall: nearby ZIP 98019 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Monroe, Wa (8 mi from Duvall). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.