Kirkland, WA Weather & Growing Conditions
Today
72°F
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. West wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Mostly Sunny | 2 mph W | 0% |
| Tonight | 52°F | Mostly Clear | 2 mph N | 0% |
| Sunday | 71°F | Mostly Sunny | 3 mph N | 0% |
| Sunday Night | 52°F | Mostly Clear | 3 mph N | 0% |
| Monday | 70°F | Mostly Sunny | 3 mph N | 0% |
| Monday Night | 53°F | Partly Cloudy | 3 mph NNE | 1% |
| Tuesday | 68°F | Partly Sunny | 2 mph N | 1% |
| Tuesday Night | 52°F | Mostly Cloudy | 2 mph ENE | 9% |
| Wednesday | 67°F | Partly Sunny then Slight Chance Light Rain | 2 mph SW | 17% |
| Wednesday Night | 52°F | Slight Chance Light Rain then Mostly Cloudy | 2 mph NNE | 17% |
| Thursday | 64°F | Mostly Cloudy then Slight Chance Light Rain | 5 mph N | 21% |
| Thursday Night | 51°F | Slight Chance Light Rain | 5 mph NNE | 21% |
| Friday | 63°F | Slight Chance Light Rain | 3 mph N | 16% |
| Friday Night | 49°F | Slight Chance Light Rain then Partly Cloudy | 3 mph NNE | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Kirkland, WA
Last spring frost
Mar 8
First fall frost
Nov 23
Growing season
259 days
Hardiness zone
9a
Explore more for Kirkland, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Seattle Sand Pt Wsfo, Wa (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.