DuPont, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for DuPont, a city in Pierce County, Washington.
Overnight
49°F
Mostly Cloudy
Mostly cloudy, with a low around 49. West wind around 1 mph.
7-day forecast for DuPont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Cloudy | 1 mph W | 0% |
| Saturday | 73°F | Partly Sunny | 3 mph W | 0% |
| Saturday Night | 50°F | Mostly Clear | 2 mph NNW | 0% |
| Sunday | 74°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 50°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 72°F | Mostly Sunny | 0 to 3 mph NW | 0% |
| Monday Night | 52°F | Partly Cloudy | 0 to 3 mph NW | 0% |
| Tuesday | 70°F | Partly Sunny | 0 to 3 mph WNW | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 3 mph WSW | 1% |
| Wednesday | 69°F | Partly Sunny | 1 to 6 mph WSW | 7% |
| Wednesday Night | 51°F | Mostly Cloudy | 0 to 6 mph WNW | 7% |
| Thursday | 66°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 7 mph NNE | 20% |
| Thursday Night | 50°F | Slight Chance Light Rain | 1 to 7 mph N | 20% |
| Friday | 66°F | Mostly Sunny | 1 to 7 mph WNW | 12% |
Forecast source: National Weather Service (api.weather.gov) for DuPont (47.107, -122.648). Updated through the day.
Growing snapshot for DuPont
Last spring frost
Mar 11
First fall frost
Nov 21
Growing season
254 days
Hardiness zone
8b
More local growing data for DuPont: nearby ZIP 98327 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Tacoma Narrows Ap, Wa (11.8 mi from DuPont). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.