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Umatilla, OR Weather Tomorrow

Stay one step ahead with tomorrow's weather in Umatilla and a reliable 5 day forecast including precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction across the Umatilla area and around Umatilla county, Oregon.
Updated: Tue Oct 27th 2026 9:00 PM PDT
Umatilla, OR Weather – 10-27 – Overcast
60° / 45°
Overcast
Skies will be overcast in Umatilla, with a high of 60°F and a low of 45°F. There might be light rainfall having a 21% chance with an estimated 0.01in. Winds will be strong at speeds peaking at 21mph and gusts of 26.7mph at 10 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 71% at 11 PM and 60% being its lowest at 10 PM. Barometric pressure is its highest of 29.98inHg at 11 PM, a lowest point of 29.96inHg at 10 PM with an avg 29.97inHg.
Umatilla, OR Weather – 10-28 – Scattered Showers
58° / 42°

Weather Tomorrow

Scattered Showers
Daytime highs will reach 58°F with lows dropping to 42°F in Umatilla, where showers likely at times. There might be light rainfall having a 18% chance with an estimated 0.01in. Wind will be moderate, blowing around 20mph on average and gusts of 32.5mph at 6 AM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 84% at 11 PM and 43% being its lowest at 4 PM. Barometric pressure is its highest of 30.07inHg at 10 PM, a lowest point of 29.96inHg at 12 AM with an avg 30inHg.
Umatilla, OR Weather – 10-29 – Overcast
54° / 37°
Overcast
In Umatilla, skies will be overcast with highs near 54°F and lows around 37°F. There might be light rainfall having a 12% chance. Wind will be moderate, blowing around 12mph on average and gusts of 23.7mph at 10 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 89% at 5 AM and 44% being its lowest at 3 PM. Barometric pressure is its highest of 30.09inHg at 6 AM, a lowest point of 29.95inHg at 11 PM with an avg 30.04inHg.
Umatilla, OR Weather – 10-30 – Overcast
54° / 40°
Overcast
Daytime highs will reach 54°F with lows dropping to 40°F in Umatilla, where it will be overcast. There's a very small chance of rainfall, only about 10%. Winds will be light at 9mph and gusts of 17mph at 12 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 77% at 8 AM and 47% being its lowest at 3 PM. Barometric pressure is its highest of 30.01inHg at 11 PM, a lowest point of 29.91inHg at 5 AM with an avg 29.95inHg.
Umatilla, OR Weather – 10-31 – Sunny
57° / 37°
Sunny
In Umatilla, a sunny day is likely with a high near 57°F and a low around 37°F. There's a very small chance of rainfall, only about 9% with an estimated 0in. Winds will be light at 6mph and gusts of 15.9mph at 4 PM. The humidity will be on the higher side, averaging about 62%, the maximum being 81% at 8 AM and 41% being its lowest at 3 PM. Barometric pressure is its highest of 30.08inHg at 9 AM, a lowest point of 29.97inHg at 4 PM with an avg 30.02inHg.
Umatilla, OR Weather – 11-1 – Sunny
56° / 37°
Sunny
Umatilla is set for a sunny day with temperatures peaking at 56°F and dipping to 37°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 7mph and gusts of 12.5mph at 10 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 88% at 7 AM and 50% being its lowest at 1 PM. Barometric pressure is its highest of 30.33inHg at 11 PM, a lowest point of 29.98inHg at 12 AM with an avg 30.17inHg.

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