Keyport, WA Weather & Growing Conditions
Today
72°F
Partly Sunny
Partly sunny. High near 72, with temperatures falling to around 70 in the afternoon. East wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Partly Sunny | 1 to 5 mph E | 0% |
| Tonight | 52°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Sunday | 71°F | Mostly Sunny | 0 to 7 mph N | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 7 mph N | 0% |
| Monday | 71°F | Mostly Sunny | 0 to 6 mph E | 0% |
| Monday Night | 53°F | Partly Cloudy | 0 to 6 mph NNE | 2% |
| Tuesday | 68°F | Partly Sunny | 0 to 5 mph E | 2% |
| Tuesday Night | 52°F | Mostly Cloudy | 0 to 5 mph NNE | 8% |
| Wednesday | 67°F | Partly Sunny | 0 to 6 mph SE | 13% |
| Wednesday Night | 52°F | Mostly Cloudy | 1 to 6 mph N | 13% |
| Thursday | 64°F | Mostly Cloudy then Slight Chance Light Rain | 1 to 9 mph NNE | 20% |
| Thursday Night | 52°F | Slight Chance Light Rain | 2 to 9 mph N | 23% |
| Friday | 64°F | Partly Sunny | 2 to 9 mph N | 14% |
| Friday Night | 51°F | Partly Cloudy | 5 to 9 mph N | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Keyport, WA
Last spring frost
Mar 29
First fall frost
Nov 14
Growing season
227 days
Hardiness zone
9a
Explore more for Keyport, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Bremerton, Wa (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.