Tieton, WA Weather & Growing Conditions
Overnight
34°F
Mostly Clear
Mostly clear, with a low around 34. West wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 34°F | Mostly Clear | 2 mph W | 2% |
| Wednesday | 48°F | Sunny | 1 to 8 mph SE | 7% |
| Wednesday Night | 37°F | Chance Rain Showers | 0 to 5 mph W | 33% |
| Thursday | 50°F | Sunny | 3 to 8 mph W | 1% |
| Thursday Night | 35°F | Partly Cloudy | 2 to 8 mph W | 13% |
| Friday | 50°F | Mostly Cloudy | 3 mph S | 13% |
| Friday Night | 39°F | Mostly Cloudy | 0 to 6 mph NW | 11% |
| Saturday | 51°F | Partly Sunny | 0 to 6 mph E | 5% |
| Saturday Night | 40°F | Chance Rain Showers | 5 mph W | 29% |
| Sunday | 52°F | Slight Chance Rain Showers then Partly Sunny | 2 to 8 mph W | 22% |
| Sunday Night | 36°F | Mostly Cloudy | 1 to 8 mph W | 3% |
| Monday | 49°F | Partly Sunny then Slight Chance Rain Showers | 2 mph NE | 19% |
| Monday Night | 36°F | Chance Rain Showers | 1 mph N | 28% |
| Tuesday | 50°F | Chance Rain Showers | 0 to 5 mph E | 32% |
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 Nov 4, 2026.