Coupeville, WA Weather & Growing Conditions
Today
64°F
Partly Sunny
Partly sunny. High near 64, with temperatures falling to around 61 in the afternoon. West wind 1 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Partly Sunny | 1 to 6 mph W | 0% |
| Tonight | 52°F | Partly Cloudy | 6 mph W | 0% |
| Sunday | 63°F | Partly Sunny | 5 to 9 mph WNW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 8 mph WNW | 0% |
| Monday | 65°F | Mostly Sunny | 5 to 8 mph SW | 0% |
| Monday Night | 53°F | Partly Cloudy | 6 to 9 mph W | 1% |
| Tuesday | 63°F | Partly Sunny | 7 mph W | 1% |
| Tuesday Night | 51°F | Mostly Cloudy | 3 to 7 mph WSW | 13% |
| Wednesday | 63°F | Slight Chance Light Rain | 6 mph SSW | 15% |
| Wednesday Night | 52°F | Mostly Cloudy | 7 mph WNW | 13% |
| Thursday | 62°F | Mostly Cloudy then Slight Chance Light Rain | 8 mph WNW | 15% |
| Thursday Night | 51°F | Slight Chance Light Rain | 8 mph WNW | 18% |
| Friday | 61°F | Slight Chance Light Rain then Partly Sunny | 8 mph WNW | 17% |
| Friday Night | 49°F | Partly Cloudy | 3 to 8 mph W | 12% |
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 Sep 19, 2026.