Portland Weather in October

October in Portland brings moderate temperatures, with daytime highs of 17°C (63°F) and nights around 11°C (52°F). Quite a bit of rainfall is expected, around 65 mm (2.6 in), so pack an umbrella.

Rainfall in Portland in October

Historically, the month has about 12 days of rain, averaging 65 mm (2.6 in) in total. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Portland in October

In October, Portland gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 11°C (52°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Should you favor a climate that's both dry and comfortably warm, January, February and March typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.