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Umatilla County (Pendleton)
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United States weather

Weather in Umatilla County, Oregon for July 2026

Your guide to Umatilla County weather in July - trends and predictions

    Temperatures

  • Until now, July 2026 in Umatilla County has been nearly identical to the historical average, with a temperature of 32.5 °C (showing only a slight deviation of 0.5 °C).

  • The forecast for the next days in Umatilla County predicts temperatures to be around 35 °C, close to the historical average.

  • In general, the average temperature in Umatilla County at the beginning of July is 30.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 33.7 °C by the end of July.

    • Rain 🌧️

  • Precipitation in Umatilla County during July is a rare event, with an average of fewer than 2 rainy days.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
31
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/16°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
38 %
Avg humidity

Umatilla County Weather July

Move between months or click on a day
June
August
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
31°
2
Overcast
29°
3
Overcast
29°
4
Overcast
26°
5
Cloudy
29°
6
Sunny
31°
7
Sunny
36°
8
Cloudy
34°
9
Partly cloudy
32°
10
Sunny
31°
11
Sunny
32°
12
Sunny
31°
13
Sunny
36°
14
Sunny
35°
15
Partly cloudy
33°
16
Sunny
34°
17
Sunny
34°
18
Sunny
33°
19
Cloudy
31°
20
Sunny
35°
21
Sunny
37°
22
Sunny
39°
23
Sunny
39°
24
Sunny
35°
25
Sunny
34°
26
Sunny
31°
27
Sunny
30°
28
Sunny
32°
29
Sunny
36°
30
Sunny
37°
31
Sunny
36°

Temperatures trend during July in Umatilla County

See the weather trend as well as the moving average line

July weather in Umatilla County day by day

Click on a date for more information
June August
Date Weather Temperatures Rain UV More
Jul. 1 Partly cloudy
Partly cloudy
 31° /15° 0 mm 10
Jul. 2 Overcast
Overcast
 29° /14° 0 mm 9
Jul. 3 Overcast
Overcast
 29° /12° 0 mm 9
Jul. 4 Overcast
Overcast
 26° /14° 0 mm 8
Jul. 5 Cloudy
Cloudy
 29° /14° 0 mm 9
Jul. 6 Sunny
Sunny
 31° /13° 0 mm 10
Jul. 7 Sunny
Sunny
 36° /15° 0 mm 10
Jul. 8 Cloudy
Cloudy
 34° /19° 0 mm 10
Jul. 9 Partly cloudy
Partly cloudy
 32° /17° 0 mm 10
Jul. 10 Sunny
Sunny
 31° /14° 0 mm 9
Jul. 11 Sunny
Sunny
 32° /15° 0 mm 10
Jul. 12 Sunny
Sunny
 31° /16° 0 mm 10
Jul. 13 Sunny
Sunny
 36° /17° 0 mm 10
Jul. 14 Sunny
Sunny
 35° /19° 0 mm 10
Jul. 15 Partly cloudy
Partly cloudy
 33° /16° 0.1 mm 9
Jul. 16 Sunny
Sunny
 34° /16° 0 mm 10
Jul. 17 Sunny
Sunny
 34° /16° 0 mm 9
Jul. 18 Sunny
Sunny
 33° /15° 0 mm 9
Jul. 19 Cloudy
Cloudy
 31° /15° 0 mm 8
Jul. 20 Sunny
Sunny
 35° /19° 0 mm 6.3
Jul. 21 Sunny
Sunny
 37° /22° 0 mm 8.6
Jul. 22 Sunny
Sunny
 39° /23° 0.1 mm 6.3
Jul. 23 Sunny
Sunny
 39° /21° 0.7 mm 6.6
Jul. 24 Sunny
Sunny
 35° /19° 0.1 mm 8
Jul. 25 Sunny
Sunny
 34° /18° 0 mm 8
Jul. 26 Sunny
Sunny
 31° /17° 0 mm 8
Jul. 27 Sunny
Sunny
 30° /16° 0 mm 8
Jul. 28 Sunny
Sunny
 32° /16° 0 mm 8
Jul. 29 Sunny
Sunny
 36° /20° 0 mm 9
Jul. 30 Sunny
Sunny
 37° /20° 0 mm 9
Jul. 31 Sunny
Sunny
 36° /20° 0 mm 9
Next
Important Notice
Our weather forecast for Umatilla County in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Umatilla County forecast closer to your planned date for the most up-to-date weather information.
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Umatilla County in July - FAQ

What are the expected maximum and minimum temperatures in Umatilla County during July?
Expect warm days with temperatures around 31°, cooling to mild conditions of 16° after sunset. Perfect for those who enjoy warm weather.

How much rainfall should be expected in Umatilla County during July?
Rainfall in Umatilla County during July is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.

What are the typical wind conditions in Umatilla County during July?
The average wind speed in Umatilla County during July is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

UV exposure in Umatilla County during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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Location coordinates Where is Umatilla County?

Get accurate weather forecasts for Umatilla County, located at latitude 45.672 and longitude -118.789. Stay updated with localized weather information tailored for Umatilla County.

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