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Weather in October in Portland, Oregon

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< October >
 
Normal Max/ High Temperature 18°C (64°F)
 
Average Temperature 13°C (55°F)
 
Min/ Low Temperature 7°C (45°F)
 
Normal Precipitation 68mm (2.7in)
Number of Wet Days (probability of rain on a day) 12 (39%)
Average Sunlight per day 04:11
Average Daylight per day 10:50
Sunny (Cloudy) Daylight Hours 39% (61%)
Sun altitude at solar noon on the 21st day.
33.4°


  • 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

Graph of weather in Portland, Oregon in October

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