Greenwater, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenwater, a community in King County, Washington.
Today
87°F
Smoke
Smoke. Sunny, with a high near 87. East northeast wind 3 to 10 mph.
7-day forecast for Greenwater
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Smoke | 3 to 10 mph ENE | 0% |
| Tonight | 54°F | Areas Of Smoke | 2 to 8 mph SSE | 0% |
| Wednesday | 92°F | Areas Of Smoke | 2 to 10 mph NNE | 0% |
| Wednesday Night | 55°F | Mostly Clear | 3 to 9 mph SW | 0% |
| Thursday | 91°F | Sunny | 2 to 10 mph S | 0% |
| Thursday Night | 55°F | Mostly Clear | 2 to 10 mph SW | 0% |
| Friday | 85°F | Sunny | 2 to 13 mph SW | 0% |
| Friday Night | 53°F | Mostly Clear | 1 to 12 mph WSW | 0% |
| Saturday | 80°F | Sunny | 1 to 13 mph WSW | 0% |
| Saturday Night | 50°F | Partly Cloudy | 1 to 13 mph W | 1% |
| Sunday | 74°F | Mostly Sunny | 1 to 13 mph W | 1% |
| Sunday Night | 48°F | Partly Cloudy | 1 to 12 mph WSW | 0% |
| Monday | 74°F | Mostly Sunny | 1 to 12 mph W | 0% |
| Monday Night | 48°F | Partly Cloudy | 2 to 10 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Greenwater (47.144, -121.628). Updated through the day.
Growing snapshot for Greenwater
Last spring frost
Apr 18
First fall frost
Oct 31
Growing season
196 days
Hardiness zone
8a
More local growing data for Greenwater: nearby ZIP 98022 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
High Bridge
Hobart
Hunts Point
Index
Issaquah
Kenmore
Kent
Kirkland
Lake Forest Park
Climate data from the nearest NOAA station, Mud Mtn Dam, Wa (12 mi from Greenwater). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.