Tieton, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tieton, a city in Yakima County, Washington.
Overnight
35°F
Patchy Fog
Patchy fog after 4am. Mostly clear, with a low around 35. West wind around 1 mph.
7-day forecast for Tieton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 35°F | Patchy Fog | 1 mph W | 2% |
| Wednesday | 50°F | Patchy Fog then Sunny | 1 to 7 mph SE | 6% |
| Wednesday Night | 37°F | Chance Rain Showers | 0 to 3 mph NW | 31% |
| Thursday | 54°F | Sunny | 2 to 7 mph W | 1% |
| Thursday Night | 35°F | Partly Cloudy | 2 to 7 mph W | 12% |
| Friday | 52°F | Mostly Cloudy | 2 mph S | 12% |
| Friday Night | 39°F | Mostly Cloudy | 0 to 5 mph NW | 9% |
| Saturday | 54°F | Partly Sunny | 0 to 5 mph E | 3% |
| Saturday Night | 40°F | Slight Chance Rain Showers | 3 mph W | 24% |
| Sunday | 55°F | Slight Chance Rain Showers then Partly Sunny | 2 to 7 mph W | 17% |
| Sunday Night | 36°F | Mostly Cloudy | 1 to 7 mph W | 2% |
| Monday | 52°F | Partly Sunny then Slight Chance Rain Showers | 1 mph NE | 18% |
| Monday Night | 36°F | Chance Rain Showers | 0 mph | 27% |
| Tuesday | 53°F | Chance Rain Showers | 0 to 3 mph E | 31% |
Forecast source: National Weather Service (api.weather.gov) for Tieton (46.703, -120.756). Updated through the day.
Growing snapshot for Tieton
Last spring frost
Apr 8
First fall frost
Oct 23
Growing season
196 days
Hardiness zone
7a
More local growing data for Tieton: nearby ZIP 98923 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Yakima #2, Wa (9 mi from Tieton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.