Kittitas, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kittitas, a city in Kittitas County, Washington.
Overnight
53°F
Smoke
Smoke. Mostly clear. Low around 53, with temperatures rising to around 55 overnight. Northwest wind around 2 mph.
7-day forecast for Kittitas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Smoke | 2 mph NW | 0% |
| Tuesday | 88°F | Smoke | 0 to 6 mph E | 0% |
| Tuesday Night | 57°F | Areas Of Smoke | 0 to 3 mph W | 0% |
| Wednesday | 94°F | Smoke | 2 mph S | 0% |
| Wednesday Night | 60°F | Smoke then Clear | 2 mph W | 0% |
| Thursday | 98°F | Sunny | 0 to 7 mph NW | 0% |
| Thursday Night | 62°F | Mostly Clear | 7 to 12 mph NW | 0% |
| Friday | 94°F | Sunny | 8 to 23 mph NW | 0% |
| Friday Night | 60°F | Mostly Clear | 7 to 23 mph NW | 0% |
| Saturday | 90°F | Sunny | 7 to 22 mph NW | 0% |
| Saturday Night | 58°F | Mostly Clear | 12 to 22 mph NW | 0% |
| Sunday | 84°F | Sunny | 12 to 21 mph NW | 0% |
| Sunday Night | 56°F | Mostly Clear | 10 to 21 mph NW | 0% |
| Monday | 85°F | Sunny | 5 to 17 mph NW | 0% |
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 Aug 4, 2026.