Tieton, WA Weather & Growing Conditions
Overnight
53°F
Mostly Clear
Mostly clear. Low around 53, with temperatures rising to around 55 overnight. Northwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Clear | 10 mph NW | 0% |
| Saturday | 73°F | Mostly Sunny | 5 to 10 mph SE | 0% |
| Saturday Night | 54°F | Mostly Clear | 3 to 7 mph W | 0% |
| Sunday | 74°F | Sunny | 6 to 10 mph SE | 0% |
| Sunday Night | 54°F | Mostly Clear | 5 to 8 mph W | 0% |
| Monday | 75°F | Sunny | 5 to 10 mph NE | 0% |
| Monday Night | 52°F | Partly Cloudy | 7 to 15 mph NW | 0% |
| Tuesday | 72°F | Mostly Sunny | 5 to 16 mph N | 0% |
| Tuesday Night | 49°F | Partly Cloudy | 7 to 16 mph NW | 0% |
| Wednesday | 67°F | Mostly Sunny | 5 to 16 mph W | 1% |
| Wednesday Night | 48°F | Mostly Cloudy | 9 to 13 mph W | 2% |
| Thursday | 64°F | Partly Sunny | 6 to 9 mph N | 8% |
| Thursday Night | 48°F | Mostly Cloudy | 9 mph NW | 10% |
| Friday | 61°F | Mostly Sunny | 12 mph NW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tieton, WA
Last spring frost
Apr 8
First fall frost
Oct 23
Growing season
196 days
Hardiness zone
7a
Explore more for Tieton, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Yakima #2, Wa (13.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.