Boulevard Park, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boulevard Park, a community in King County, Washington.
Overnight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. South wind around 1 mph.
7-day forecast for Boulevard Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Cloudy | 1 mph S | 0% |
| Saturday | 74°F | Partly Sunny | 3 mph WSW | 0% |
| Saturday Night | 54°F | Mostly Clear | 3 mph N | 0% |
| Sunday | 74°F | Mostly Sunny | 1 to 6 mph N | 0% |
| Sunday Night | 54°F | Mostly Clear | 1 to 6 mph N | 0% |
| Monday | 72°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Monday Night | 55°F | Partly Cloudy | 1 to 5 mph NNE | 1% |
| Tuesday | 70°F | Partly Sunny | 3 mph N | 1% |
| Tuesday Night | 54°F | Mostly Cloudy | 3 mph ENE | 7% |
| Wednesday | 70°F | Partly Sunny then Slight Chance Light Rain | 1 to 5 mph SW | 15% |
| Wednesday Night | 54°F | Slight Chance Light Rain then Mostly Cloudy | 5 mph N | 15% |
| Thursday | 66°F | Mostly Cloudy then Slight Chance Light Rain | 2 to 8 mph NNE | 22% |
| Thursday Night | 53°F | Slight Chance Light Rain | 2 to 7 mph NNE | 22% |
| Friday | 66°F | Slight Chance Light Rain then Partly Sunny | 2 to 7 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov) for Boulevard Park (47.513, -122.315). Updated through the day.
Growing snapshot for Boulevard Park
Last spring frost
Mar 13
First fall frost
Nov 17
Growing season
247 days
Hardiness zone
9a
More local growing data for Boulevard Park: nearby ZIP 98108 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Seattle Boeing Fld, Wa (0.4 mi from Boulevard Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.