Port Townsend, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Townsend, a city in Jefferson County, Washington.
Tonight
41°F
Partly Cloudy
Partly cloudy, with a low around 41. South southeast wind 1 to 6 mph.
7-day forecast for Port Townsend
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Partly Cloudy | 1 to 6 mph SSE | 1% |
| Wednesday | 57°F | Mostly Cloudy then Chance Light Rain | 7 to 16 mph SE | 52% |
| Wednesday Night | 44°F | Light Rain Likely | 7 to 21 mph SSW | 64% |
| Thursday | 57°F | Mostly Sunny | 7 to 14 mph SSE | 10% |
| Thursday Night | 45°F | Light Rain | 13 to 24 mph SSE | 80% |
| Friday | 56°F | Light Rain | 16 to 28 mph SSE | 80% |
| Friday Night | 46°F | Light Rain Likely | 8 to 16 mph SE | 58% |
| Saturday | 62°F | Chance Light Rain | 9 to 21 mph SE | 43% |
| Saturday Night | 48°F | Light Rain | 15 to 22 mph SSE | 83% |
| Sunday | 55°F | Chance Light Rain | 3 to 15 mph S | 51% |
| Sunday Night | 43°F | Slight Chance Light Rain | 3 mph SSE | 17% |
| Monday | 53°F | Chance Light Rain | 2 to 13 mph SE | 42% |
| Monday Night | 46°F | Light Rain Likely | 13 to 22 mph SE | 58% |
| Tuesday | 56°F | Light Rain Likely | 18 to 24 mph SE | 58% |
Forecast source: National Weather Service (api.weather.gov) for Port Townsend (48.122, -122.788). Updated through the day.
Growing snapshot for Port Townsend
Last spring frost
Mar 1
First fall frost
Nov 28
Growing season
274 days
Hardiness zone
8b
More local growing data for Port Townsend: nearby ZIP 98368 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Port Townsend, Wa (6.1 mi from Port Townsend). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.