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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.