Keyport, WA Weather & Growing Conditions
This Afternoon
72°F
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Mostly Sunny | 5 mph NE | 0% |
| Tonight | 52°F | Mostly Clear | 0 to 3 mph NNE | 0% |
| Sunday | 72°F | Mostly Sunny | 0 to 7 mph NE | 0% |
| Sunday Night | 51°F | Partly Cloudy | 0 to 6 mph NNE | 0% |
| Monday | 71°F | Partly Sunny | 0 to 5 mph NE | 0% |
| Monday Night | 54°F | Partly Cloudy | 0 to 5 mph NNE | 2% |
| Tuesday | 68°F | Mostly Cloudy | 0 to 5 mph E | 2% |
| Tuesday Night | 52°F | Mostly Cloudy | 1 to 5 mph E | 7% |
| Wednesday | 67°F | Partly Sunny | 1 to 6 mph SSW | 12% |
| Wednesday Night | 52°F | Mostly Cloudy | 1 to 5 mph N | 12% |
| Thursday | 63°F | Mostly Cloudy then Slight Chance Light Rain | 1 to 9 mph N | 17% |
| Thursday Night | 52°F | Slight Chance Light Rain | 3 to 9 mph NNW | 17% |
| Friday | 63°F | Slight Chance Light Rain | 3 to 12 mph NNW | 19% |
| Friday Night | 51°F | Partly Cloudy | 6 to 10 mph N | 12% |
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 20, 2026.