Kirkland, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kirkland, a city in King County, Washington.
Overnight
56°F
Clear
Clear. Low around 56, with temperatures rising to around 58 overnight. Northeast wind around 5 mph.
7-day forecast for Kirkland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Clear | 5 mph NE | 0% |
| Tuesday | 85°F | Sunny then Areas Of Smoke | 3 to 8 mph NNE | 0% |
| Tuesday Night | 60°F | Patchy Smoke then Clear | 2 to 7 mph NNE | 0% |
| Wednesday | 89°F | Patchy Smoke | 2 to 6 mph N | 0% |
| Wednesday Night | 61°F | Clear | 1 to 6 mph NNE | 0% |
| Thursday | 90°F | Sunny | 1 to 5 mph NNW | 0% |
| Thursday Night | 63°F | Mostly Clear | 5 mph NW | 0% |
| Friday | 87°F | Sunny | 3 mph SW | 0% |
| Friday Night | 61°F | Mostly Clear | 1 to 6 mph N | 0% |
| Saturday | 83°F | Sunny | 1 to 7 mph N | 0% |
| Saturday Night | 59°F | Mostly Clear | 1 to 9 mph NNE | 1% |
| Sunday | 79°F | Sunny | 3 mph W | 1% |
| Sunday Night | 59°F | Mostly Clear | 3 mph NNE | 1% |
| Monday | 78°F | Sunny | 3 mph NW | 1% |
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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East Renton Highlands
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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 Aug 4, 2026.