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Umatilla County (Pendleton)
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United States weather

Weather in Umatilla County, Oregon for October 2027

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

    Temperatures

  • In general, the average temperature in Umatilla County at the beginning of October is 22.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.1 °C by the end of October.

    • Rain 🌧️

  • Umatilla County experiences moderate rainfall in October, with an average of 6 rainy days and a total precipitation of 25.9 mm.

    • More

  • Is October a good time to visit Umatilla County? check out the best time to travel to Umatilla County page.

  • ✨ Is October a good time to visit Umatilla County? – Ask the AI Weatherman

Average dry days
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/6°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
54 %
Avg humidity

Umatilla County Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
22°
2
Light rain
21°
3
Overcast
22°
4
Overcast
20°
5
Sunny
22°
6
Sunny
23°
7
Sunny
25°
8
Sunny
23°
9
Overcast
20°
10
Overcast
17°
11
Overcast
16°
12
Partly cloudy
14°
13
Sunny
17°
14
Overcast
17°
15
Partly cloudy
18°
16
Patchy rain possible
19°
17
Patchy rain possible
16°
18
Overcast
15°
19
Patchy rain possible
17°
20
Overcast
19°
21
Light rain
17°
22
Patchy rain possible
15°
23
Patchy rain possible
13°
24
Patchy rain possible
16°
25
Patchy rain possible
15°
26
Light rain
14°
27
Light rain
13°
28
Patchy rain possible
14°
29
Overcast
13°
30
Light rain
11°
31
Light rain
12°

Temperatures trend during October in Umatilla County

See the weather trend as well as the moving average line

October weather in Umatilla County day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
Oct. 1 Overcast
Overcast
 22° /11° 0 mm 3
Oct. 2 Light rain
Light rain
 21° /10° 0.6 mm 4
Oct. 3 Overcast
Overcast
 22° /9° 0 mm 4
Oct. 4 Overcast
Overcast
 20° /9° 0.4 mm 4
Oct. 5 Sunny
Sunny
 22° /8° 0 mm 4
Oct. 6 Sunny
Sunny
 23° /8° 0 mm 3.9
Oct. 7 Sunny
Sunny
 25° /9° 0 mm 3.8
Oct. 8 Sunny
Sunny
 23° /10° 0 mm 3.7
Oct. 9 Overcast
Overcast
 20° /9° 0.1 mm 3
Oct. 10 Overcast
Overcast
 17° /8° 0 mm 3.6
Oct. 11 Overcast
Overcast
 16° /6° 0 mm 3.5
Oct. 12 Partly cloudy
Partly cloudy
 14° /7° 0 mm 3.4
Oct. 13 Sunny
Sunny
 17° /5° 0 mm 3.3
Oct. 14 Overcast
Overcast
 17° /6° 0 mm 3.3
Oct. 15 Partly cloudy
Partly cloudy
 18° /6° 0.1 mm 3.2
Oct. 16 Patchy rain possible
Patchy rain possible
 19° /6° 1.8 mm 3
Oct. 17 Patchy rain possible
Patchy rain possible
 16° /7° 0.1 mm 3
Oct. 18 Overcast
Overcast
 15° /4° 0 mm 3
Oct. 19 Patchy rain possible
Patchy rain possible
 17° /8° 2 mm 2.9
Oct. 20 Overcast
Overcast
 19° /6° 0 mm 2.9
Oct. 21 Light rain
Light rain
 17° /6° 2.5 mm 2.8
Oct. 22 Patchy rain possible
Patchy rain possible
 15° /5° 1.7 mm 2
Oct. 23 Patchy rain possible
Patchy rain possible
 13° /6° 1.2 mm 2.7
Oct. 24 Patchy rain possible
Patchy rain possible
 16° /3° 1 mm 2.6
Oct. 25 Patchy rain possible
Patchy rain possible
 15° /4° 1.6 mm 2.5
Oct. 26 Light rain
Light rain
 14° /5° 2.7 mm 2.5
Oct. 27 Light rain
Light rain
 13° /7° 4 mm 2.4
Oct. 28 Patchy rain possible
Patchy rain possible
 14° /4° 1.7 mm 2.4
Oct. 29 Overcast
Overcast
 13° /5° 0.4 mm 2
Oct. 30 Light rain
Light rain
 11° /1° 2.5 mm 2
Oct. 31 Light rain
Light rain
 12° /2° 2.3 mm 1
Next
Important Notice
Our weather forecast for Umatilla County in October 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 October - FAQ

What are the expected maximum and minimum temperatures in Umatilla County during October?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Umatilla County during October?
In October, Umatilla County can expect light to moderate rainfall, totaling 25.9 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Umatilla County during October?
The average wind speed in Umatilla County during October is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Umatilla County

Explore the daily rainfall trends and prepare for Umatilla Countys October weather 💧
Typically, Umatilla County has 6 rainy days in October with a total of 25.9 mm of rainfall.

UV exposure in Umatilla County during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Pendleton
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