Portland weather in March 2025

Expect 12°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Portland in March. Check more long-term weather averages for Portland in March before you book your next holiday to Oregon in 2025/2026.

  • 12°C maximum daytime temperature in March in Portland12
    12°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in March in Portland16
    16 days with some rainfall
  • 3°C minimum night-time temperature in March in Portland3
    3°C min night temperature
  • 12 hours of daylight per day in March in Portland12
    12 hours of daylight per day
  • No heat & humidity in March in Portland0
    No heat & humidity
  • 107 mm monthly rainfall in March in Portland107
    107 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Portland3
    3 (Moderate) UV index

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The March weather guide for Oregon (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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How warm is it in Portland in March?

Daytime temperatures usually reach 12°C in Portland in March, falling to 3°C at night.

How sunny is it in Portland in March?

There are normally 6 hours of bright sunshine each day in Portland in March - that's 52% of daylight hours.

Does it rain in Portland in March?

There are usually 16 days with some rain in Portland in March and the average monthly rainfall is 107mm.

Portland March sunrise & sunset times

Browse the sunrise and sunset times for Portland in March 2025. Select a month to view Portland sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:48 17:58
Sunday, 16th March 2025 06:20 18:19
Monday, 31st March 2025 05:52 18:38

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