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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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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East Renton Highlands
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High Bridge
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Hunts Point
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Issaquah
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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.