Brinnon, WA Weather & Growing Conditions
Tonight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. North wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Partly Cloudy | 2 mph N | 0% |
| Saturday | 73°F | Partly Sunny | 0 to 5 mph S | 1% |
| Saturday Night | 52°F | Mostly Clear | 0 to 3 mph NNE | 0% |
| Sunday | 75°F | Sunny | 0 to 6 mph E | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 6 mph NNE | 0% |
| Monday | 72°F | Mostly Sunny | 0 to 5 mph SE | 4% |
| Monday Night | 52°F | Partly Cloudy | 0 to 5 mph N | 4% |
| Tuesday | 65°F | Partly Sunny | 0 to 6 mph S | 2% |
| Tuesday Night | 50°F | Partly Cloudy | 0 to 6 mph NNW | 3% |
| Wednesday | 64°F | Partly Sunny | 0 to 6 mph ENE | 9% |
| Wednesday Night | 51°F | Mostly Cloudy | 2 to 6 mph N | 9% |
| Thursday | 66°F | Partly Sunny then Slight Chance Light Rain | 2 to 6 mph SSW | 20% |
| Thursday Night | 51°F | Chance Light Rain | 6 mph WSW | 34% |
| Friday | 63°F | Chance Light Rain | 3 to 7 mph SW | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brinnon, WA
Last spring frost
Mar 24
First fall frost
Nov 15
Growing season
235 days
Hardiness zone
8b
Explore more for Brinnon, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Cushman Powerhouse #2, Wa (12.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.