| < October >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in Portland, Oregon in October is quite mild at 12.5 °C (54.5 °F).
- Afternoons can be very mild with average high temperatures reaching 17.8 °C (64 °F).
- Overnight temperatures are generally a little cool with an average low of 7.2 °C (45 °F).
- The mean daily temperature variation/ range in October is 10.6 °C (19.1 °F).
- The weather in October is marginally dry with rain occasionally. Only 67.8mm (2.7in) of water is discharged during an average of 12 days.
- The blue above Portland, Oregon is a little dull having on balance a mere 4:11 of brilliant solar radiation per day.
- The shortest day is 10:05 long and the longest day is 11:38 long with an average length of 10:50.
- There are approximately 6:27 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 39.4% of daylight hours and cloudy 60.6% of daylight hours.
Check the distance to and compare the Portland, Oregon October averages with somewhere beginning with:
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Weather Trend Graph for October in Portland, Oregon, Usa
Navigate to October Weather in Locations Surrounding Portland, Oregon:
- Centralia, Wa, Usa - 158.7 kms (98.6 miles) N
- Aberdeen, Wa, Usa - 179.2 kms (111.4 miles) NNW
- Olympia, Wa, Usa - 153.7 kms (95.5 miles) N
- Astoria/ Clatsop, Or, Usa - 116.7 kms (72.5 miles) WNW
- Vancouver, Wa, Usa - 6.4 kms (4 miles) NW
- Salem, Or, Usa - 83.2 kms (51.7 miles) SSW
- Corvallis, Or, Usa - 126.3 kms (78.5 miles) SSW
- Eugene, Or, Usa - 172 kms (106.9 miles) SSW
- Seattle, Washington, Usa - 224 kms (139.2 miles) N
- Seattle/ Tacoma, Wa, Usa - 207 kms (128.6 miles) N
- Yakima, Wa, Usa - 192.2 kms (119.5 miles) NE
- Sunnyside, Wa, Usa - 206.4 kms (128.3 miles) ENE
- Moro, Or, Usa - 141.8 kms (88.1 miles) ESE