The climate in Portland during October can be summarized as mild and reasonably dry.
October is in the spring in Portland and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 17°C (63°F), whilst at night 9°C (48°F) is normal.
|Daytime temperature||17.3°C 63.1°F|
|Nightly temperature||8.9°C 48°F|
|Average temperature||13.1°C 55.6°F|
|Daily sunshine||7.1 hrs|
|Avg rainfall||65 mm 2.6 ins|
|Rainy days||12 days|
|Sea temperature||14.1°C 57.4°F|
|Windspeed||24.1kph 15 mph|
On average October is the 6th wettest month of the year in Portland with around 65mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in October 2019.
|Hottest month:||February||23.2°C 73.8°F|
|Driest month:||February||26mm 1ins|
|Coldest month:||July||13.1°C 55.6°F|
|Wettest month:||July||112mm 4.4ins|