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Umatilla, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Umatilla, a city in Umatilla County, Oregon.

Tonight
52°F
Mostly Clear
Mostly clear. Low around 52, with temperatures rising to around 54 overnight. South wind around 2 mph.

7-day forecast for Umatilla

WhenTempForecastWindPrecip
Tonight 52°F Mostly Clear 2 mph S 0%
Saturday 82°F Sunny 2 mph S 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 86°F Sunny 2 mph SW 0%
Monday Night 55°F Mostly Clear 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 4%
Friday 73°F Mostly Sunny 1 to 5 mph SW 8%

Forecast source: National Weather Service (api.weather.gov) for Umatilla (45.918, -119.332). Updated through the day.

Growing snapshot for Umatilla

Last spring frost
Mar 30
First fall frost
Nov 4
Growing season
217 days
Hardiness zone
7b

More local growing data for Umatilla: nearby ZIP 97882 weather · frost dates · planting calendar · Oregon frost dates

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Climate data from the nearest NOAA station, Mcnary Dam #2, Or (3.1 mi from Umatilla). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.