Maple Valley, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Maple Valley, a city in King County, Washington.
Today
87°F
Smoke
Smoke. Sunny, with a high near 87. North wind 1 to 5 mph.
7-day forecast for Maple Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Smoke | 1 to 5 mph N | 0% |
| Tonight | 57°F | Smoke | 1 to 5 mph NNE | 0% |
| Wednesday | 92°F | Areas Of Smoke | 3 mph N | 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 SSW | 0% |
| Friday | 87°F | Sunny | 2 mph WSW | 0% |
| Friday Night | 58°F | Mostly Clear | 2 mph SSE | 0% |
| Saturday | 83°F | Sunny | 2 mph WSW | 0% |
| Saturday Night | 56°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 78°F | Mostly Sunny | 2 mph W | 1% |
| Sunday Night | 55°F | Partly Cloudy | 2 mph NE | 0% |
| Monday | 77°F | Mostly Sunny | 2 mph W | 1% |
| Monday Night | 54°F | Partly Cloudy | 2 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Maple Valley (47.367, -122.035). Updated through the day.
Growing snapshot for Maple Valley
Last spring frost
Apr 20
First fall frost
Oct 25
Growing season
187 days
Hardiness zone
8b
More local growing data for Maple Valley: nearby ZIP 98010 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
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Beaux Arts Village
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Black Diamond
Bothell
Boulevard Park
Bryn Mawr-Skyway
Burien
Carnation
Clyde Hill
Cottage Lake
Covington
Des Moines
Duvall
East Renton Highlands
Fairwood
Fall City
Federal Way
Greenwater
High Bridge
Hobart
Hunts Point
Index
Issaquah
Kenmore
Kent
Kirkland
Climate data from the nearest NOAA station, Landsburg, Wa (4.6 mi from Maple Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.