DuPont, WA Weather & Growing Conditions
Today
57°F
Mostly Cloudy
Mostly cloudy. High near 57, with temperatures falling to around 53 in the afternoon. North northeast wind 0 to 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 57°F | Mostly Cloudy | 0 to 3 mph NNE | 4% |
| Tonight | 41°F | Partly Cloudy | 1 mph S | 3% |
| Wednesday | 58°F | Partly Sunny then Chance Light Rain | 1 to 6 mph SSW | 37% |
| Wednesday Night | 49°F | Light Rain | 6 to 13 mph SSW | 99% |
| Thursday | 57°F | Slight Chance Light Rain then Partly Sunny | 6 to 9 mph SSW | 16% |
| Thursday Night | 48°F | Light Rain | 6 mph S | 77% |
| Friday | 56°F | Light Rain | 5 to 10 mph S | 77% |
| Friday Night | 48°F | Chance Light Rain | 1 to 5 mph S | 45% |
| Saturday | 60°F | Chance Light Rain | 2 mph S | 34% |
| Saturday Night | 51°F | Light Rain | 2 to 18 mph SSW | 75% |
| Sunday | 57°F | Light Rain Likely | 3 to 15 mph SW | 69% |
| Sunday Night | 46°F | Chance Light Rain | 3 mph SSE | 26% |
| Monday | 57°F | Chance Light Rain | 1 to 5 mph SE | 54% |
| Monday Night | 49°F | Light Rain Likely | 5 to 12 mph S | 70% |
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 Nov 3, 2026.