Umatilla, OR Weather & Growing Conditions
Overnight
52°F
Clear
Clear. Low around 52, with temperatures rising to around 54 overnight. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Clear | 2 mph SE | 0% |
| Saturday | 82°F | Sunny | 2 mph SW | 0% |
| Saturday Night | 52°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 85°F | Sunny | 2 mph N | 0% |
| Sunday Night | 54°F | Clear | 2 mph NE | 0% |
| Monday | 85°F | Sunny | 2 mph SW | 0% |
| Monday Night | 55°F | Partly Cloudy | 2 mph SW | 0% |
| Tuesday | 82°F | Sunny | 5 mph SW | 0% |
| Tuesday Night | 52°F | Mostly Clear | 5 mph SW | 0% |
| Wednesday | 78°F | Mostly Sunny | 5 mph SW | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph SW | 0% |
| Thursday | 76°F | Mostly Sunny | 2 mph W | 1% |
| Thursday Night | 50°F | Partly Cloudy | 2 mph W | 5% |
| Friday | 73°F | Mostly Sunny | 1 to 5 mph SW | 9% |
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 Sep 19, 2026.