Umatilla, WA Weather & Growing Conditions
Today
86°F
Smoke
Smoke. Sunny, with a high near 86. North wind 1 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Smoke | 1 to 9 mph N | 0% |
| Tonight | 56°F | Areas Of Smoke | 0 to 7 mph N | 0% |
| Wednesday | 91°F | Areas Of Smoke | 0 to 3 mph N | 0% |
| Wednesday Night | 59°F | Areas Of Smoke then Clear | 2 mph W | 0% |
| Thursday | 95°F | Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 62°F | Clear | 5 mph SW | 0% |
| Friday | 93°F | Sunny | 3 to 9 mph SW | 0% |
| Friday Night | 61°F | Clear | 2 to 8 mph SW | 0% |
| Saturday | 90°F | Sunny | 2 to 7 mph SW | 0% |
| Saturday Night | 59°F | Clear | 5 to 9 mph SW | 0% |
| Sunday | 85°F | Sunny | 5 to 9 mph SW | 0% |
| Sunday Night | 56°F | Mostly Clear | 3 to 7 mph SW | 0% |
| Monday | 84°F | Sunny | 3 to 7 mph SW | 0% |
| Monday Night | 56°F | Clear | 6 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Umatilla, WA
Last spring frost
Mar 27
First fall frost
Nov 4
Growing season
221 days
Hardiness zone
7b
Explore more for Umatilla, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Mcnary Dam, Wa (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.