Des Moines, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Des Moines, a city in King County, Washington.
Today
74°F
Partly Sunny
Partly sunny, with a high near 74. West southwest wind around 3 mph.
7-day forecast for Des Moines
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Partly Sunny | 3 mph WSW | 0% |
| Tonight | 53°F | Mostly Clear | 2 mph N | 0% |
| Sunday | 75°F | Mostly Sunny | 1 to 5 mph N | 0% |
| Sunday Night | 52°F | Mostly Clear | 1 to 5 mph N | 0% |
| Monday | 73°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Monday Night | 53°F | Partly Cloudy | 3 mph NNE | 1% |
| Tuesday | 71°F | Partly Sunny | 3 mph N | 1% |
| Tuesday Night | 52°F | Mostly Cloudy | 3 mph W | 5% |
| Wednesday | 68°F | Partly Sunny | 5 mph WSW | 13% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 mph N | 14% |
| Thursday | 65°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 8 mph NNE | 20% |
| Thursday Night | 52°F | Slight Chance Light Rain | 2 to 8 mph NNE | 20% |
| Friday | 64°F | Slight Chance Light Rain then Partly Sunny | 2 to 7 mph N | 15% |
| Friday Night | 49°F | Partly Cloudy | 3 to 7 mph NNE | 13% |
Forecast source: National Weather Service (api.weather.gov) for Des Moines (47.389, -122.318). Updated through the day.
Growing snapshot for Des Moines
Last spring frost
Mar 2
First fall frost
Nov 23
Growing season
266 days
Hardiness zone
9a
More local growing data for Des Moines: nearby ZIP 98198 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Algona
Ames Lake
Auburn
Baring
Beaux Arts Village
Bellevue
Black Diamond
Bothell
Boulevard Park
Bryn Mawr-Skyway
Burien
Carnation
Clyde Hill
Cottage Lake
Covington
Duvall
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, Seattle Tacoma Intl Ap, Wa (3.7 mi from Des Moines). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.