Portland - Recent October Temperatures and Rainfall





The numbers here describe what the October weather in Portland, Oregon was like for every year since 2010. A series of tables gives October data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many hot days occurred each October. Then there's information on how much rain actually landed this month during recent years, as well as how often Portland had wet weather.

The climate data come from weather measurements made at the Weather Forecast Office near downtown Portland.

Temperature Weather iconTemperature

October temperature averages by year in Portland
High °F Low °F Year High °C Low °C
65 46 2018 18 8
64 44 2017 18 7
61 49 2016 16 10
68 51 2015 20 10
67 51 2014 20 11
63 43 2013 17 6
63 47 2012 17 8
61 48 2011 16 9
63 47 2010 17 8
Number of days in October when the temperature in Portland rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2018 8 0
2017 6 0
2016 1 0
2015 14 0
2014 12 0
2013 6 0
2012 7 0
2011 1 0
2010 7 0

Rainy Weather iconRain

This table gives the total precipitation that fell on Portland during October in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.254 millimeters) or more.

Total rainfall for October in Portland
Days Year Inches Milli­metres
12 2018 3.9 100
15 2017 5.4 136
29 2016 10.3 262
12 2015 5.1 129
19 2014 6.5 166
10 2013 1.6 41
19 2012 7.0 178
18 2011 3.4 86
15 2010 5.0 127
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Portland - Recent Years
Portland - Extremes
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