DuPont, WA Weather & Growing Conditions
Overnight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. West wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Cloudy | 1 mph W | 0% |
| Saturday | 72°F | Partly Sunny | 2 mph W | 0% |
| Saturday Night | 51°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 73°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Sunday Night | 51°F | Mostly Clear | 0 to 3 mph N | 0% |
| Monday | 71°F | Mostly Sunny | 0 to 3 mph NW | 0% |
| Monday Night | 52°F | Partly Cloudy | 0 to 3 mph NNW | 0% |
| Tuesday | 69°F | Partly Sunny | 0 to 3 mph WNW | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 3 mph WSW | 1% |
| Wednesday | 69°F | Partly Sunny | 1 to 5 mph WSW | 7% |
| Wednesday Night | 51°F | Mostly Cloudy | 0 to 5 mph WNW | 7% |
| Thursday | 66°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 6 mph NNE | 20% |
| Thursday Night | 50°F | Slight Chance Light Rain | 1 to 6 mph NNW | 20% |
| Friday | 65°F | Mostly Sunny | 1 to 7 mph WNW | 11% |
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 Sep 19, 2026.