DuPont, WA Weather & Growing Conditions
Today
85°F
Sunny then Areas Of Smoke
Areas of smoke after 1pm. Sunny, with a high near 85. Northeast wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny then Areas Of Smoke | 3 to 8 mph NE | 0% |
| Tonight | 59°F | Smoke | 2 to 8 mph ENE | 0% |
| Wednesday | 90°F | Patchy Smoke | 2 to 7 mph NNE | 0% |
| Wednesday Night | 59°F | Mostly Clear | 1 to 6 mph NNW | 0% |
| Thursday | 89°F | Sunny | 1 to 6 mph WNW | 0% |
| Thursday Night | 59°F | Mostly Clear | 6 mph WSW | 0% |
| Friday | 85°F | Sunny | 3 to 7 mph WSW | 0% |
| Friday Night | 58°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Saturday | 82°F | Sunny | 2 to 9 mph WSW | 0% |
| Saturday Night | 56°F | Mostly Clear | 3 to 9 mph SW | 0% |
| Sunday | 77°F | Mostly Sunny | 3 to 7 mph WSW | 0% |
| Sunday Night | 55°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Monday | 76°F | Mostly Sunny | 2 to 7 mph W | 0% |
| Monday Night | 55°F | Partly Cloudy | 2 to 7 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for DuPont, WA
Last spring frost
Mar 11
First fall frost
Nov 21
Growing season
254 days
Hardiness zone
8b
Explore more for DuPont, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Tacoma Narrows Ap, Wa (11.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.