Hobart, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hobart, a community in King County, Washington.
Overnight
53°F
Patchy Smoke
Patchy smoke. Clear, with a low around 53. East northeast wind around 2 mph.
7-day forecast for Hobart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Patchy Smoke | 2 mph ENE | 0% |
| Tuesday | 86°F | Smoke | 1 to 5 mph N | 0% |
| Tuesday Night | 57°F | Smoke | 1 to 5 mph NNE | 0% |
| Wednesday | 91°F | Areas Of Smoke | 3 mph NNW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 3 mph NE | 0% |
| Thursday | 91°F | Sunny | 2 mph NNW | 0% |
| Thursday Night | 59°F | Mostly Clear | 2 mph S | 0% |
| Friday | 86°F | Sunny | 2 mph WSW | 0% |
| Friday Night | 58°F | Mostly Clear | 2 mph NW | 0% |
| Saturday | 83°F | Sunny | 2 mph W | 0% |
| Saturday Night | 56°F | Mostly Clear | 0 to 3 mph NNW | 1% |
| Sunday | 77°F | Mostly Sunny | 2 mph W | 1% |
| Sunday Night | 55°F | Partly Cloudy | 2 mph NNE | 0% |
| Monday | 77°F | Mostly Sunny | 2 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Hobart (47.412, -122.005). Updated through the day.
Growing snapshot for Hobart
Last spring frost
Apr 20
First fall frost
Oct 25
Growing season
187 days
Hardiness zone
8b
More local growing data for Hobart: nearby ZIP 98038 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, Landsburg, Wa (3 mi from Hobart). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.