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Shoreline, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Shoreline, a city in King County, Washington.

Today
81°F
Sunny then Areas Of Smoke
Areas of smoke after 2pm. Sunny, with a high near 81. North wind 6 to 9 mph.

7-day forecast for Shoreline

WhenTempForecastWindPrecip
Today 81°F Sunny then Areas Of Smoke 6 to 9 mph N 0%
Tonight 58°F Patchy Smoke then Clear 3 to 8 mph N 0%
Wednesday 86°F Sunny then Patchy Smoke 3 to 8 mph N 0%
Wednesday Night 59°F Clear 2 to 7 mph N 0%
Thursday 87°F Sunny 1 to 6 mph NNW 0%
Thursday Night 60°F Mostly Clear 1 to 6 mph NNW 0%
Friday 84°F Sunny 2 to 6 mph SW 0%
Friday Night 59°F Mostly Clear 2 to 7 mph NNE 0%
Saturday 80°F Sunny 1 to 8 mph NNE 0%
Saturday Night 57°F Mostly Clear 2 to 8 mph NE 1%
Sunday 76°F Sunny 5 mph SW 0%
Sunday Night 56°F Mostly Clear 5 mph NNE 1%
Monday 76°F Sunny 2 to 6 mph NW 1%
Monday Night 56°F Mostly Clear 2 to 6 mph N 1%

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 Aug 4, 2026.