Lake Morton-Berrydale, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Morton-Berrydale, a community in King County, Washington.
Overnight
49°F
Mostly Cloudy
Mostly cloudy, with a low around 49. Southeast wind around 1 mph.
7-day forecast for Lake Morton-Berrydale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Cloudy | 1 mph SE | 0% |
| Saturday | 73°F | Partly Sunny | 1 mph WNW | 0% |
| Saturday Night | 50°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 74°F | Mostly Sunny | 2 mph NNW | 0% |
| Sunday Night | 50°F | Mostly Clear | 2 mph NNE | 0% |
| Monday | 71°F | Mostly Sunny | 2 mph WNW | 0% |
| Monday Night | 50°F | Partly Cloudy | 2 mph NE | 1% |
| Tuesday | 68°F | Partly Sunny | 1 mph ENE | 1% |
| Tuesday Night | 49°F | Mostly Cloudy | 1 mph NNE | 5% |
| Wednesday | 67°F | Partly Sunny then Slight Chance Light Rain | 2 mph WSW | 15% |
| Wednesday Night | 49°F | Slight Chance Light Rain then Mostly Cloudy | 1 mph ENE | 15% |
| Thursday | 64°F | Mostly Cloudy then Slight Chance Light Rain | 3 mph NNE | 20% |
| Thursday Night | 48°F | Slight Chance Light Rain | 3 mph NE | 20% |
| Friday | 63°F | Slight Chance Light Rain then Partly Sunny | 2 mph NW | 15% |
Forecast source: National Weather Service (api.weather.gov) for Lake Morton-Berrydale (47.333, -122.104). Updated through the day.
Growing snapshot for Lake Morton-Berrydale
Last spring frost
Mar 20
First fall frost
Nov 10
Growing season
233 days
Hardiness zone
8b
More local growing data for Lake Morton-Berrydale: nearby ZIP 98042 weather · frost dates · planting calendar · Washington frost dates
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Clyde Hill
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Des Moines
Duvall
East Renton Highlands
Fairwood
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Federal Way
Greenwater
High Bridge
Hobart
Hunts Point
Index
Issaquah
Kenmore
Kent
Kirkland
Climate data from the nearest NOAA station, Kent, Wa (7 mi from Lake Morton-Berrydale). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.