Union Hill-Novelty Hill, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Union Hill-Novelty Hill, a community in King County, Washington.
Today
72°F
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. Northwest wind around 1 mph.
7-day forecast for Union Hill-Novelty Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Mostly Sunny | 1 mph NW | 0% |
| Tonight | 51°F | Mostly Clear | 1 mph N | 0% |
| Sunday | 71°F | Mostly Sunny | 2 mph N | 0% |
| Sunday Night | 50°F | Mostly Clear | 2 mph N | 0% |
| Monday | 70°F | Mostly Sunny | 2 mph NNW | 0% |
| Monday Night | 50°F | Partly Cloudy | 2 mph N | 1% |
| Tuesday | 67°F | Partly Sunny | 1 mph N | 1% |
| Tuesday Night | 49°F | Mostly Cloudy | 1 mph NNE | 10% |
| Wednesday | 66°F | Partly Sunny then Slight Chance Light Rain | 1 mph WNW | 17% |
| Wednesday Night | 50°F | Slight Chance Light Rain then Mostly Cloudy | 1 mph NNE | 17% |
| Thursday | 63°F | Mostly Cloudy then Slight Chance Light Rain | 2 mph N | 20% |
| Thursday Night | 48°F | Slight Chance Light Rain | 2 mph N | 20% |
| Friday | 62°F | Slight Chance Light Rain | 1 mph NNW | 17% |
| Friday Night | 46°F | Slight Chance Light Rain | 1 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov) for Union Hill-Novelty Hill (47.682, -122.023). Updated through the day.
Growing snapshot for Union Hill-Novelty Hill
Last spring frost
Mar 8
First fall frost
Nov 23
Growing season
259 days
Hardiness zone
8b
More local growing data for Union Hill-Novelty Hill: nearby ZIP 98053 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Seattle Sand Pt Wsfo, Wa (11.2 mi from Union Hill-Novelty Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.