Ellensburg, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ellensburg, a city in Kittitas County, Washington.
Today
52°F
Patchy Fog
Patchy fog and patchy freezing fog before 1pm. Mostly sunny. High near 52, with temperatures falling to around 47 in the afternoon. Southeast wind around 2 mph.
7-day forecast for Ellensburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Patchy Fog | 2 mph SE | 4% |
| Tonight | 31°F | Patchy Fog then Chance Rain Showers | 1 mph E | 44% |
| Thursday | 54°F | Patchy Fog then Sunny | 0 to 5 mph NW | 3% |
| Thursday Night | 29°F | Patchy Fog | 1 mph NW | 9% |
| Friday | 52°F | Patchy Freezing Fog then Mostly Cloudy | 0 mph | 9% |
| Friday Night | 32°F | Patchy Fog | 0 mph | 7% |
| Saturday | 55°F | Patchy Fog then Partly Sunny | 1 mph NE | 2% |
| Saturday Night | 33°F | Slight Chance Rain Showers | 1 mph E | 20% |
| Sunday | 53°F | Slight Chance Rain Showers | 2 mph NW | 19% |
| Sunday Night | 29°F | Mostly Cloudy | 0 to 3 mph NW | 3% |
| Monday | 51°F | Partly Sunny then Slight Chance Rain Showers | 0 mph | 15% |
| Monday Night | 30°F | Chance Rain Showers | 0 mph | 27% |
| Tuesday | 52°F | Chance Rain Showers | 0 mph | 27% |
| Tuesday Night | 32°F | Chance Rain Showers | 0 mph | 28% |
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 Nov 4, 2026.