Umatilla weather
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Umatilla weather alerts and warnings
active National Weather Service watches, warnings and advisoriesChecking the National Weather Service for active alerts covering Umatilla…
Umatilla weather in numbers
from 30 years of measured normalsUmatilla swings 63°F across the year, from 92°F highs in July to 29°F lows in January, and December is usually the wettest month in a year that brings about 8 in of precipitation.
The weather map: all three models at once
NWS, American, European side by side around Umatilla and nearby towns.Live rain radar →Umatilla hourly forecast: next 14 hours
consensus of the three modelsRain in the next 24 hours, model by model
each model's own hourly precipitation, side by sideLoading the three models…
Umatilla 10-day forecast, out to 14 days
where the models agree, and where they splitUmatilla, Oregon (OR) is at its warmest in Jul (average highs near 92°F) and coldest in Jan (lows around 29°F), with roughly 8 in of precipitation across the year. Below, compare what NWS, American, European forecast for Umatilla right now, and see exactly where they disagree.
We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.
Umatilla climate by month
average daytime high and overnight low across a typical year (1991-2020)Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.
How the weather around Umatilla has changed since 1995
Umatilla sits in the same roughly 50 km square of NASA's reanalysis as Tri-Cities. That square shows no clear change in temperature between 1995-2004 and 2015-2024. See the full 30-year picture on the Tri-Cities page.
Which forecast is most accurate in the US?
CheckWeather Score, graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.
What do you think of the forecasts?
your vote countsThe accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.
One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.