Lake Forest Park, WA Weather & Growing Conditions
This Afternoon
71°F
Mostly Sunny
Mostly sunny, with a high near 71. North northwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 3 mph NNW | 0% |
| Tonight | 51°F | Mostly Clear | 3 mph N | 0% |
| Sunday | 70°F | Mostly Sunny | 1 to 6 mph N | 0% |
| Sunday Night | 51°F | Partly Cloudy | 5 mph N | 0% |
| Monday | 70°F | Partly Sunny | 1 to 5 mph N | 0% |
| Monday Night | 53°F | Partly Cloudy | 5 mph NNE | 2% |
| Tuesday | 68°F | Mostly Cloudy | 2 mph NNW | 2% |
| Tuesday Night | 52°F | Mostly Cloudy | 2 mph ENE | 11% |
| Wednesday | 66°F | Partly Sunny | 3 mph SSW | 13% |
| Wednesday Night | 51°F | Mostly Cloudy | 3 mph N | 13% |
| Thursday | 62°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 6 mph N | 17% |
| Thursday Night | 50°F | Slight Chance Light Rain | 2 to 6 mph NNW | 17% |
| Friday | 62°F | Slight Chance Light Rain | 2 to 7 mph NNW | 18% |
| Friday Night | 49°F | Mostly Cloudy | 6 mph N | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lake Forest Park, WA
Last spring frost
Mar 8
First fall frost
Nov 23
Growing season
259 days
Hardiness zone
9a
Explore more for Lake Forest Park, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Seattle Sand Pt Wsfo, Wa (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.