Coupeville, WA Weather & Growing Conditions
Today
57°F
Mostly Cloudy then Chance Light Rain
A chance of rain after 4pm. Mostly cloudy. High near 57, with temperatures falling to around 53 in the afternoon. Southeast wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 57°F | Mostly Cloudy then Chance Light Rain | 10 to 20 mph SE | 51% |
| Tonight | 46°F | Light Rain | 7 to 22 mph S | 80% |
| Thursday | 56°F | Mostly Sunny | 7 to 15 mph SSE | 10% |
| Thursday Night | 47°F | Light Rain | 15 to 25 mph SE | 84% |
| Friday | 55°F | Light Rain | 17 to 30 mph SE | 84% |
| Friday Night | 47°F | Light Rain Likely | 8 to 17 mph SE | 62% |
| Saturday | 62°F | Chance Light Rain | 9 to 20 mph SE | 34% |
| Saturday Night | 49°F | Light Rain | 18 to 22 mph SSE | 83% |
| Sunday | 56°F | Chance Light Rain | 2 to 18 mph SSE | 47% |
| Sunday Night | 44°F | Slight Chance Light Rain | 3 mph SE | 16% |
| Monday | 54°F | Chance Light Rain | 3 to 12 mph SE | 44% |
| Monday Night | 47°F | Light Rain Likely | 12 to 23 mph SE | 58% |
| Tuesday | 57°F | Light Rain Likely | 18 to 25 mph SE | 58% |
| Tuesday Night | 48°F | Chance Light Rain | 16 to 20 mph SE | 52% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Coupeville, WA
Last spring frost
Mar 17
First fall frost
Nov 11
Growing season
237 days
Hardiness zone
8b
Explore more for Coupeville, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Coupeville 1 S, Wa (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.