Portland weather in October 2024

Expect 15°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Portland in October. Check more long-term weather averages for Portland in October before you book your next holiday to Maine in 2024/2025.

  • 15°C maximum daytime temperature in October in Portland15
    15°C max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in October in Portland10
    10 days with some rainfall
  • 4°C minimum night-time temperature in October in Portland4
    4°C min night temperature
  • 11 hours of daylight per day in October in Portland11
    11 hours of daylight per day
  • No heat & humidity in October in Portland0
    No heat & humidity
  • 100 mm monthly rainfall in October in Portland100
    100 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Portland3
    3 (Moderate) UV index
  • 12°C sea temperature in October in Portland12
    12°C sea temperature

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The October weather guide for Maine (Portland) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

How warm is it in Portland in October?

Daytime temperatures usually reach 15°C in Portland in October, falling to 4°C at night.

How sunny is it in Portland in October?

There are normally 6 hours of bright sunshine each day in Portland in October - that's 55% of daylight hours.

How warm is the sea around Portland in October?

The average sea temperature around Portland in October is 12°C.

Does it rain in Portland in October?

There are usually 10 days with some rain in Portland in October and the average monthly rainfall is 100mm.

Portland October sunrise & sunset times

Browse the sunrise and sunset times for Portland in October 2024. Select a month to view Portland sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st October 2024 06:39 18:21
Wednesday, 16th October 2024 06:57 17:55
Thursday, 31st October 2024 07:16 17:32

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