Brinnon, WA Weather & Growing Conditions
Overnight
39°F
Partly Cloudy
Partly cloudy, with a low around 39. West wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Partly Cloudy | 3 mph W | 0% |
| Wednesday | 48°F | Partly Sunny then Light Rain | 3 to 12 mph SW | 88% |
| Wednesday Night | 39°F | Light Rain then Mostly Cloudy | 7 to 13 mph SW | 95% |
| Thursday | 45°F | Mostly Sunny | 6 to 9 mph SSW | 9% |
| Thursday Night | 42°F | Light Rain | 8 to 15 mph SW | 93% |
| Friday | 46°F | Light Rain | 6 to 15 mph SSW | 93% |
| Friday Night | 45°F | Light Rain | 6 mph SSW | 76% |
| Saturday | 51°F | Light Rain Likely | 5 to 10 mph SSW | 72% |
| Saturday Night | 43°F | Light Rain | 10 to 17 mph SSW | 89% |
| Sunday | 46°F | Chance Rain And Snow | 2 to 13 mph SW | 70% |
| Sunday Night | 39°F | Slight Chance Light Rain | 3 mph W | 15% |
| Monday | 46°F | Chance Light Rain | 6 mph SW | 52% |
| Monday Night | 43°F | Light Rain Likely | 6 to 13 mph SW | 68% |
| Tuesday | 48°F | Light Rain Likely | 8 to 13 mph SW | 68% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brinnon, WA
Last spring frost
Apr 11
First fall frost
Oct 28
Growing season
199 days
Hardiness zone
8b
Explore more for Brinnon, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Quilcene 2 Sw, Wa (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.