Brinnon, WA Weather & Growing Conditions
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. West wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 2 mph W | 0% |
| Sunday | 63°F | Sunny | 3 mph ENE | 0% |
| Sunday Night | 52°F | Mostly Clear | 2 mph W | 0% |
| Monday | 61°F | Mostly Sunny | 3 mph SSW | 1% |
| Monday Night | 50°F | Partly Cloudy | 3 mph NW | 6% |
| Tuesday | 56°F | Partly Sunny | 1 to 5 mph ESE | 10% |
| Tuesday Night | 46°F | Mostly Cloudy | 3 mph WNW | 10% |
| Wednesday | 55°F | Slight Chance Light Rain | 5 mph S | 21% |
| Wednesday Night | 45°F | Slight Chance Light Rain then Mostly Cloudy | 2 mph NW | 15% |
| Thursday | 53°F | Slight Chance Light Rain | 3 mph NNE | 23% |
| Thursday Night | 44°F | Chance Light Rain | 3 mph NNW | 28% |
| Friday | 52°F | Chance Light Rain | 3 mph ENE | 31% |
| Friday Night | 43°F | Partly Cloudy | 5 mph NNW | 14% |
| Saturday | 55°F | Mostly Sunny | 5 mph ENE | 8% |
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 Sep 20, 2026.