Coupeville, WA Weather & Growing Conditions
Today
75°F
Sunny
Sunny. High near 75, with temperatures falling to around 73 in the afternoon. Northwest wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Sunny | 6 to 9 mph NW | 0% |
| Tonight | 57°F | Mostly Clear | 2 to 8 mph NW | 0% |
| Wednesday | 77°F | Sunny | 3 to 8 mph NW | 0% |
| Wednesday Night | 58°F | Mostly Clear | 2 to 8 mph WNW | 0% |
| Thursday | 77°F | Sunny | 2 to 7 mph W | 0% |
| Thursday Night | 58°F | Mostly Clear | 7 mph W | 0% |
| Friday | 75°F | Sunny | 3 to 8 mph WSW | 0% |
| Friday Night | 57°F | Mostly Clear | 10 mph W | 0% |
| Saturday | 71°F | Sunny | 6 to 15 mph W | 0% |
| Saturday Night | 56°F | Mostly Clear | 6 to 15 mph W | 0% |
| Sunday | 71°F | Sunny | 3 to 7 mph WSW | 0% |
| Sunday Night | 56°F | Mostly Clear | 6 to 9 mph W | 1% |
| Monday | 70°F | Mostly Sunny | 7 mph W | 1% |
| Monday Night | 55°F | Partly Cloudy | 5 to 8 mph W | 1% |
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 Aug 4, 2026.