Harman US

Marrowstone, WA Weather & Growing Conditions

Overnight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. South southeast wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 45°F Partly Cloudy 6 mph SSE 1%
Wednesday 55°F Mostly Cloudy then Chance Light Rain 8 to 20 mph SSE 52%
Wednesday Night 48°F Light Rain Likely 7 to 22 mph SSW 66%
Thursday 55°F Mostly Sunny 7 to 16 mph SSE 11%
Thursday Night 50°F Light Rain 16 to 25 mph SSE 80%
Friday 54°F Light Rain 18 to 31 mph SSE 80%
Friday Night 50°F Light Rain Likely 10 to 18 mph SE 61%
Saturday 59°F Chance Light Rain 10 to 22 mph SE 39%
Saturday Night 51°F Light Rain 20 to 25 mph SSE 81%
Sunday 55°F Chance Light Rain 5 to 20 mph SSE 49%
Sunday Night 47°F Slight Chance Light Rain 5 mph SE 17%
Monday 54°F Chance Light Rain 2 to 16 mph SE 42%
Monday Night 50°F Light Rain Likely 14 to 24 mph SSE 58%
Tuesday 56°F Light Rain Likely 20 to 28 mph SSE 58%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Marrowstone, WA

Last spring frost
Mar 1
First fall frost
Nov 28
Growing season
274 days
Hardiness zone
9a

Explore more for Marrowstone, WA: full frost dates · planting calendar · Washington frost dates

Climate data from the nearest NOAA station, Port Townsend, Wa (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.