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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.

Today
54°F
Slight Chance Rain Showers
A slight chance of rain showers before 1pm. Mostly cloudy. High near 54, with temperatures falling to around 49 in the afternoon. Northeast wind around 2 mph. Chance of precipitation is 20%.

7-day forecast for Umatilla

WhenTempForecastWindPrecip
Today 54°F Slight Chance Rain Showers 2 mph NE 15%
Tonight 34°F Patchy Fog 3 mph S 2%
Wednesday 55°F Patchy Fog then Sunny 2 mph SE 1%
Wednesday Night 39°F Chance Rain Showers 3 mph S 47%
Thursday 60°F Patchy Fog then Mostly Sunny 3 to 10 mph SW 15%
Thursday Night 38°F Partly Cloudy 1 to 5 mph S 8%
Friday 57°F Mostly Cloudy 2 mph S 8%
Friday Night 39°F Mostly Cloudy 2 mph S 4%
Saturday 60°F Partly Sunny 2 mph NE 1%
Saturday Night 40°F Mostly Cloudy 2 mph S 7%
Sunday 61°F Mostly Cloudy 2 to 8 mph SW 13%
Sunday Night 40°F Mostly Cloudy 3 mph SW 7%
Monday 57°F Mostly Cloudy 2 mph N 11%
Monday Night 39°F Mostly Cloudy then Slight Chance Rain Showers 1 mph SE 18%

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 Nov 3, 2026.