Umatilla, OR Weather & Growing Conditions
Today
90°F
Smoke
Smoke. Sunny, with a high near 90. Northeast wind 1 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Smoke | 1 to 7 mph NE | 0% |
| Tonight | 58°F | Areas Of Smoke | 0 to 6 mph NE | 0% |
| Wednesday | 96°F | Areas Of Smoke | 0 to 3 mph N | 0% |
| Wednesday Night | 61°F | Areas Of Smoke then Clear | 2 mph SW | 0% |
| Thursday | 99°F | Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 65°F | Clear | 2 to 7 mph SW | 0% |
| Friday | 98°F | Sunny | 5 to 9 mph SW | 0% |
| Friday Night | 63°F | Clear | 2 to 9 mph SW | 0% |
| Saturday | 95°F | Sunny | 2 to 8 mph SW | 0% |
| Saturday Night | 62°F | Mostly Clear | 6 to 12 mph SW | 0% |
| Sunday | 90°F | Sunny | 6 to 9 mph SW | 0% |
| Sunday Night | 59°F | Mostly Clear | 7 mph SW | 0% |
| Monday | 89°F | Sunny | 7 mph SW | 0% |
| Monday Night | 58°F | Clear | 6 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Umatilla, OR
Last spring frost
Mar 30
First fall frost
Nov 4
Growing season
217 days
Hardiness zone
7b
Explore more for Umatilla, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Mcnary Dam #2, Or (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.