Ellensburg, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ellensburg, a city in Kittitas County, Washington.
Today
88°F
Smoke
Smoke. Sunny, with a high near 88. Southeast wind 0 to 5 mph.
7-day forecast for Ellensburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Smoke | 0 to 5 mph SE | 0% |
| Tonight | 58°F | Areas Of Smoke | 0 to 3 mph W | 0% |
| Wednesday | 95°F | Smoke | 0 to 3 mph S | 0% |
| Wednesday Night | 61°F | Smoke then Clear | 3 mph NW | 0% |
| Thursday | 99°F | Sunny | 1 to 8 mph NW | 0% |
| Thursday Night | 64°F | Mostly Clear | 8 to 13 mph NW | 0% |
| Friday | 95°F | Sunny | 10 to 23 mph NW | 0% |
| Friday Night | 62°F | Mostly Clear | 10 to 23 mph NW | 0% |
| Saturday | 90°F | Sunny | 10 to 23 mph NW | 0% |
| Saturday Night | 59°F | Mostly Clear | 15 to 23 mph NW | 0% |
| Sunday | 85°F | Sunny | 15 to 22 mph NW | 0% |
| Sunday Night | 57°F | Mostly Clear | 14 to 22 mph NW | 0% |
| Monday | 85°F | Sunny | 10 to 20 mph NW | 0% |
| Monday Night | 57°F | Mostly Clear | 12 to 20 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Ellensburg (47.001, -120.550). Updated through the day.
Growing snapshot for Ellensburg
Last spring frost
May 8
First fall frost
Oct 2
Growing season
146 days
Hardiness zone
6b
More local growing data for Ellensburg: nearby ZIP 98934 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ellensburg, Wa (5.7 mi from Ellensburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.