Zillah, WA Weather & Growing Conditions
Overnight
57°F
Smoke
Smoke. Clear. Low around 57, with temperatures rising to around 59 overnight. North wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Smoke | 8 mph N | 0% |
| Tuesday | 85°F | Smoke | 3 to 13 mph NE | 0% |
| Tuesday Night | 61°F | Areas Of Smoke | 1 to 7 mph NE | 0% |
| Wednesday | 91°F | Areas Of Smoke | 3 mph SE | 0% |
| Wednesday Night | 64°F | Patchy Smoke then Clear | 3 mph W | 0% |
| Thursday | 95°F | Sunny | 1 to 6 mph W | 0% |
| Thursday Night | 66°F | Clear | 5 to 13 mph W | 0% |
| Friday | 94°F | Sunny | 6 to 12 mph W | 0% |
| Friday Night | 64°F | Clear | 9 to 16 mph NW | 0% |
| Saturday | 90°F | Sunny | 6 to 9 mph W | 0% |
| Saturday Night | 62°F | Mostly Clear | 8 to 17 mph NW | 0% |
| Sunday | 86°F | Sunny | 7 to 15 mph NW | 0% |
| Sunday Night | 59°F | Mostly Clear | 7 to 15 mph NW | 0% |
| Monday | 85°F | Sunny | 5 to 12 mph NW | 0% |
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 (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.