Lake Forest Park, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Forest Park, a city in King County, Washington.
Today
82°F
Sunny then Areas Of Smoke
Areas of smoke after 2pm. Sunny, with a high near 82. North northwest wind 6 to 9 mph.
7-day forecast for Lake Forest Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny then Areas Of Smoke | 6 to 9 mph NNW | 0% |
| Tonight | 57°F | Patchy Smoke then Clear | 3 to 7 mph N | 0% |
| Wednesday | 87°F | Sunny then Patchy Smoke | 3 to 7 mph NNW | 0% |
| Wednesday Night | 59°F | Clear | 2 to 7 mph N | 0% |
| Thursday | 88°F | Sunny | 1 to 6 mph NNW | 0% |
| Thursday Night | 60°F | Mostly Clear | 2 to 6 mph NNW | 0% |
| Friday | 85°F | Sunny | 2 to 6 mph SW | 0% |
| Friday Night | 59°F | Mostly Clear | 1 to 6 mph NNE | 0% |
| Saturday | 80°F | Sunny | 1 to 8 mph N | 0% |
| Saturday Night | 56°F | Mostly Clear | 2 to 8 mph NNE | 1% |
| Sunday | 77°F | Sunny | 1 to 5 mph WSW | 0% |
| Sunday Night | 56°F | Mostly Clear | 1 to 5 mph NNE | 1% |
| Monday | 77°F | Sunny | 1 to 5 mph NW | 1% |
| Monday Night | 56°F | Mostly Clear | 5 mph N | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lake Forest Park (47.759, -122.292). Updated through the day.
Growing snapshot for Lake Forest Park
Last spring frost
Mar 8
First fall frost
Nov 23
Growing season
259 days
Hardiness zone
9a
More local growing data for Lake Forest Park: nearby ZIP 98155 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
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Black Diamond
Bothell
Boulevard Park
Bryn Mawr-Skyway
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Carnation
Clyde Hill
Cottage Lake
Covington
Des Moines
Duvall
East Renton Highlands
Fairwood
Fall City
Federal Way
Greenwater
High Bridge
Hobart
Hunts Point
Index
Issaquah
Kenmore
Kent
Kirkland
Climate data from the nearest NOAA station, Seattle Sand Pt Wsfo, Wa (5.1 mi from Lake Forest Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.