Weather By Day

October Portland Weather 
October Portland Weather
Record High: 92°F
Normal High: 58°F
Normal Low: 37°F
Record Low: 26°F
Avg Monthly Rain: 4.4"
Rec 1 Day Rain: 2.44"
Avg Monthly Snow: 0.2"
Rec 1 Day Snow: 0.2"

Portland Weather In October

The highest recorded temperature for Portland for the past 70 years in October was 92 degrees Fahrenheit, measured on October 1, 1987, and the standard high is 58. In the last 70 years the highest reported temperature in Portland for October was 26 most recently registered on October 29, 1971, and the normal low daily temperature is 37.

United States NWS historical Portland October Weather data records that on October 15, 1954, the high temperature did not exceed -72 degrees Fahrenheit, the lowest high measured in Portland in the past 70 years. NWS data also shows that on October 21, 2003, the lowest measured temperature on that day did not drop below 63 degrees, the highest low temperature measured in Portland in the last 70 years.

Weather Service historical data shows that the average daily high temperature in Portland on October First is 44 degrees Fahrenheit and the average high on the last day of October is 39 degrees. The daily low temperature in Portland on October First averages 32 degrees Fahrenheit and the low on the last day of October averages 27 degrees.

Portland usually receives an average of 4.4 inches of rain during the month. October Portland Weather records indicated that on October 31, 1994 Portland received 2.44 inches of precipitation, the most rain recorded in a single day in October. Portland averages 0.2 inches of snow in October.On October 5, 1950 Portland received 0.2 inches of precipitation, the highest snowfall recorded in a single day in October.