Duvall, WA Weather & Growing Conditions
Overnight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. North wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Cloudy | 1 mph N | 0% |
| Saturday | 72°F | Partly Sunny | 1 mph NNW | 0% |
| Saturday Night | 50°F | Mostly Clear | 0 mph | 0% |
| Sunday | 72°F | Mostly Sunny | 1 mph NNW | 0% |
| Sunday Night | 49°F | Mostly Clear | 1 mph NNW | 0% |
| Monday | 70°F | Mostly Sunny | 1 mph WNW | 0% |
| Monday Night | 49°F | Partly Cloudy | 1 mph N | 0% |
| Tuesday | 67°F | Partly Sunny | 1 mph NNW | 0% |
| Tuesday Night | 47°F | Mostly Cloudy | 0 mph | 11% |
| Wednesday | 66°F | Partly Sunny then Slight Chance Light Rain | 1 mph SE | 17% |
| Wednesday Night | 48°F | Slight Chance Light Rain | 0 mph | 17% |
| Thursday | 64°F | Mostly Cloudy then Slight Chance Light Rain | 1 mph NNW | 20% |
| Thursday Night | 47°F | Slight Chance Light Rain | 1 mph NNW | 20% |
| Friday | 63°F | Slight Chance Light Rain | 1 mph NNW | 17% |
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 Sep 19, 2026.