Portland Weather in October

During October, Portland experiences moderate daytime temperatures of 15°C (59°F) and cooler nights around 6°C (43°F). Expect quite a bit of rainfall. Around 151 mm (5.9 in) is typical.

Rainfall in Portland in October

The climate data from previous years indicates about 12 days of rain, averaging 151 mm (5.9 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Portland in October

In October, Portland sees moderate temperatures, with highs of 15°C (59°F). Nights drop to around 6°C (43°F). Conditions are often most pleasant around the middle of the day. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Portland in October

The month experiences a moderate amount of sunlight, with 187 hours of sunshine. This provides a nice balance between sunshine and clouds.

Average water temperature in October

The water is 13°C (55°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Portland.