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
59°F
Partly Sunny
Partly sunny. High near 59, with temperatures falling to around 54 in the afternoon. Northwest wind around 1 mph.
7-day forecast for Maple Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 59°F | Partly Sunny | 1 mph NW | 4% |
| Tonight | 39°F | Partly Cloudy | 2 mph SE | 3% |
| Wednesday | 59°F | Patchy Fog then Mostly Sunny | 2 mph SSE | 14% |
| Wednesday Night | 46°F | Light Rain | 0 to 7 mph SSE | 98% |
| Thursday | 56°F | Chance Light Rain then Partly Sunny | 0 to 6 mph SSW | 37% |
| Thursday Night | 44°F | Light Rain | 0 to 5 mph SSE | 78% |
| Friday | 56°F | Light Rain | 1 to 5 mph SSE | 78% |
| Friday Night | 45°F | Chance Light Rain | 3 mph SE | 48% |
| Saturday | 63°F | Chance Light Rain | 0 to 3 mph SSE | 26% |
| Saturday Night | 47°F | Light Rain | 0 to 8 mph S | 79% |
| Sunday | 55°F | Light Rain | 1 to 8 mph SSW | 79% |
| Sunday Night | 42°F | Slight Chance Light Rain | 3 mph SE | 21% |
| Monday | 56°F | Chance Light Rain | 0 to 3 mph SE | 50% |
| Monday Night | 45°F | Light Rain Likely | 0 to 7 mph SSE | 69% |
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
Algona
Ames Lake
Auburn
Baring
Beaux Arts Village
Bellevue
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 Nov 3, 2026.