Shoreline, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shoreline, a city in King County, Washington.
Tonight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. East northeast wind around 1 mph.
7-day forecast for Shoreline
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Partly Cloudy | 1 mph ENE | 0% |
| Saturday | 71°F | Partly Sunny | 3 mph SW | 1% |
| Saturday Night | 51°F | Partly Cloudy | 3 mph N | 0% |
| Sunday | 69°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Sunday Night | 51°F | Mostly Clear | 1 to 6 mph N | 0% |
| Monday | 70°F | Mostly Sunny | 1 to 5 mph N | 0% |
| Monday Night | 52°F | Partly Cloudy | 1 to 5 mph N | 1% |
| Tuesday | 67°F | Partly Sunny | 3 mph N | 2% |
| Tuesday Night | 51°F | Partly Cloudy | 3 mph NE | 3% |
| Wednesday | 66°F | Partly Sunny | 1 to 5 mph WNW | 5% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 mph N | 8% |
| Thursday | 67°F | Partly Sunny | 2 to 6 mph N | 14% |
| Thursday Night | 53°F | Chance Light Rain | 6 mph ESE | 29% |
| Friday | 65°F | Chance Light Rain | 6 mph SSW | 29% |
Forecast source: National Weather Service (api.weather.gov) for Shoreline (47.757, -122.346). Updated through the day.
Growing snapshot for Shoreline
Last spring frost
Mar 8
First fall frost
Nov 23
Growing season
259 days
Hardiness zone
9a
More local growing data for Shoreline: nearby ZIP 98133 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Seattle Sand Pt Wsfo, Wa (5.5 mi from Shoreline). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.