Zillah, WA Weather & Growing Conditions
Today
80°F
Sunny
Sunny, with a high near 80. South wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 1 to 5 mph S | 0% |
| Tonight | 55°F | Mostly Clear | 0 to 3 mph E | 0% |
| Sunday | 83°F | Sunny | 0 to 3 mph SE | 0% |
| Sunday Night | 56°F | Mostly Clear | 2 mph NE | 0% |
| Monday | 84°F | Sunny | 3 mph W | 0% |
| Monday Night | 56°F | Partly Cloudy | 5 mph NW | 0% |
| Tuesday | 79°F | Mostly Sunny | 5 mph NW | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 3 to 8 mph NW | 0% |
| Wednesday | 73°F | Mostly Sunny | 5 mph W | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 5 mph NW | 1% |
| Thursday | 69°F | Mostly Sunny | 3 mph N | 5% |
| Thursday Night | 50°F | Mostly Cloudy | 2 mph N | 6% |
| Friday | 66°F | Partly Sunny | 2 to 6 mph NW | 6% |
| Friday Night | 47°F | Partly Cloudy | 5 mph NW | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Zillah, WA
Last spring frost
May 4
First fall frost
Oct 10
Growing season
155 days
Hardiness zone
7a
Explore more for Zillah, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Moxee City 10 E, Wa (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.