Duvall, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Duvall, a city in King County, Washington.
Tonight
38°F
Patchy Fog
Patchy fog after 10pm. Partly cloudy, with a low around 38. East southeast wind around 1 mph.
7-day forecast for Duvall
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Patchy Fog | 1 mph ESE | 3% |
| Wednesday | 58°F | Patchy Fog then Mostly Sunny | 1 mph SE | 13% |
| Wednesday Night | 47°F | Light Rain | 1 to 5 mph SSE | 98% |
| Thursday | 56°F | Chance Light Rain | 3 mph S | 52% |
| Thursday Night | 46°F | Light Rain | 1 to 5 mph SE | 80% |
| Friday | 55°F | Light Rain | 1 to 5 mph SE | 80% |
| Friday Night | 47°F | Light Rain Likely | 2 mph SE | 58% |
| Saturday | 62°F | Chance Light Rain | 2 mph ESE | 29% |
| Saturday Night | 49°F | Light Rain | 0 to 8 mph SSE | 79% |
| Sunday | 55°F | Light Rain | 0 to 8 mph S | 79% |
| Sunday Night | 43°F | Chance Light Rain | 2 mph SE | 28% |
| Monday | 56°F | Chance Light Rain | 2 mph SE | 52% |
| Monday Night | 46°F | Light Rain Likely | 0 to 5 mph SSE | 71% |
| Tuesday | 58°F | Light Rain Likely | 5 mph SSE | 71% |
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
Nearby towns & communities
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Black Diamond
Bothell
Boulevard Park
Bryn Mawr-Skyway
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Carnation
Clyde Hill
Cottage Lake
Covington
Des Moines
East Renton Highlands
Fairwood
Fall City
Federal Way
Greenwater
High Bridge
Hobart
Hunts Point
Index
Issaquah
Kenmore
Kent
Kirkland
Lake Forest Park
Climate data from the nearest NOAA station, Monroe, Wa (8 mi from Duvall). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.