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Kirkland, WA Weather & Growing Conditions

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

Tonight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. South wind around 2 mph.

7-day forecast for Kirkland

WhenTempForecastWindPrecip
Tonight 55°F Partly Cloudy 2 mph S 0%
Saturday 73°F Partly Sunny 2 mph SW 1%
Saturday Night 54°F Partly Cloudy 2 mph N 0%
Sunday 73°F Mostly Sunny 3 mph N 0%
Sunday Night 54°F Mostly Clear 3 mph N 0%
Monday 72°F Mostly Sunny 3 mph NNW 0%
Monday Night 55°F Partly Cloudy 3 mph NNE 2%
Tuesday 69°F Partly Sunny 2 mph NNW 2%
Tuesday Night 53°F Partly Cloudy 2 mph ENE 5%
Wednesday 69°F Partly Sunny 2 mph WNW 4%
Wednesday Night 54°F Mostly Cloudy 2 mph NNE 6%
Thursday 70°F Partly Sunny 3 mph NNE 14%
Thursday Night 55°F Chance Light Rain 3 mph ESE 28%
Friday 67°F Chance Light Rain 5 mph SSW 28%

Forecast source: National Weather Service (api.weather.gov) for Kirkland (47.697, -122.204). Updated through the day.

Growing snapshot for Kirkland

Last spring frost
Mar 8
First fall frost
Nov 23
Growing season
259 days
Hardiness zone
9a

More local growing data for Kirkland: nearby ZIP 98034 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Seattle Sand Pt Wsfo, Wa (2.8 mi from Kirkland). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.