Des Moines, WA Weather & Growing Conditions
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. North northwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 3 mph NNW | 0% |
| Tonight | 53°F | Mostly Clear | 2 mph N | 0% |
| Sunday | 75°F | Mostly Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 1 to 5 mph N | 0% |
| Monday | 73°F | Partly Sunny | 1 to 5 mph N | 0% |
| Monday Night | 53°F | Partly Cloudy | 3 mph NNE | 1% |
| Tuesday | 71°F | Mostly Cloudy | 3 mph WNW | 1% |
| Tuesday Night | 52°F | Mostly Cloudy | 5 mph SSW | 6% |
| Wednesday | 68°F | Partly Sunny | 5 mph SW | 7% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 mph N | 9% |
| Thursday | 64°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 8 mph NNE | 17% |
| Thursday Night | 51°F | Slight Chance Light Rain | 2 to 7 mph N | 19% |
| Friday | 63°F | Slight Chance Light Rain | 2 to 8 mph N | 18% |
| Friday Night | 49°F | Mostly Cloudy | 7 mph NE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Des Moines, WA
Last spring frost
Mar 2
First fall frost
Nov 23
Growing season
266 days
Hardiness zone
9a
Explore more for Des Moines, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Seattle Tacoma Intl Ap, Wa (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.