Kittitas, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kittitas, a city in Kittitas County, Washington.
Tonight
30°F
Areas Of Fog
Areas of fog after 10pm. Partly cloudy, with a low around 30. North wind around 2 mph.
7-day forecast for Kittitas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 30°F | Areas Of Fog | 2 mph N | 5% |
| Wednesday | 52°F | Areas Of Fog then Sunny | 1 mph SE | 2% |
| Wednesday Night | 33°F | Chance Rain Showers | 0 mph | 50% |
| Thursday | 53°F | Patchy Fog then Mostly Sunny | 2 mph NW | 1% |
| Thursday Night | 32°F | Mostly Cloudy | 0 mph | 9% |
| Friday | 52°F | Mostly Cloudy | 0 mph | 9% |
| Friday Night | 33°F | Mostly Cloudy | 0 mph | 2% |
| Saturday | 55°F | Partly Sunny | 0 mph | 1% |
| Saturday Night | 34°F | Mostly Cloudy then Slight Chance Rain Showers | 0 mph | 20% |
| Sunday | 55°F | Slight Chance Rain Showers then Partly Sunny | 0 to 3 mph NW | 20% |
| Sunday Night | 31°F | Mostly Cloudy | 1 mph NW | 8% |
| Monday | 51°F | Partly Sunny | 0 mph | 12% |
| Monday Night | 32°F | Chance Rain Showers | 0 mph | 36% |
| Tuesday | 53°F | Chance Rain Showers | 0 mph | 36% |
Forecast source: National Weather Service (api.weather.gov) for Kittitas (46.984, -120.419). Updated through the day.
Growing snapshot for Kittitas
Last spring frost
May 8
First fall frost
Oct 2
Growing season
146 days
Hardiness zone
6b
More local growing data for Kittitas: 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 Kittitas). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.