Kittitas, WA Weather & Growing Conditions
This Afternoon
77°F
Sunny
Sunny. High near 77, with temperatures falling to around 75 in the afternoon. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Sunny | 0 mph | 0% |
| Tonight | 49°F | Mostly Clear | 2 mph NW | 0% |
| Saturday | 77°F | Sunny | 0 mph | 0% |
| Saturday Night | 50°F | Mostly Clear | 0 mph | 0% |
| Sunday | 78°F | Sunny | 0 mph | 0% |
| Sunday Night | 51°F | Mostly Clear | 0 mph | 0% |
| Monday | 78°F | Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 49°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 72°F | Mostly Sunny | 2 to 9 mph NW | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 3 to 9 mph NW | 0% |
| Wednesday | 69°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 0 mph | 1% |
| Thursday | 70°F | Mostly Sunny | 0 mph | 6% |
| Thursday Night | 49°F | Partly Cloudy | 0 mph | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Kittitas, WA
Last spring frost
May 8
First fall frost
Oct 2
Growing season
146 days
Hardiness zone
6b
Explore more for Kittitas, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Ellensburg, Wa (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.