Astoria weather in August 2025

Expect 20°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Astoria in August. Check more long-term weather averages for Astoria in August before you book your next holiday to Oregon in 2025/2026.

  • 20°C maximum daytime temperature in August in Astoria20
    20°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in August in Astoria8
    8 days with some rainfall
  • 10°C minimum night-time temperature in August in Astoria10
    10°C min night temperature
  • 14 hours of daylight per day in August in Astoria14
    14 hours of daylight per day
  • No heat & humidity in August in Astoria0
    No heat & humidity
  • 42 mm monthly rainfall in August in Astoria42
    42 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Astoria7
    7 (High) UV index
  • 15°C sea temperature in August in Astoria15
    15°C sea temperature

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The August weather guide for Oregon (Astoria) 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 hot is it in Astoria in August?

Daytime temperatures usually reach 20°C in Astoria in August, falling to 10°C at night.

How sunny is it in Astoria in August?

There are normally 8 hours of bright sunshine each day in Astoria in August - that's 59% of daylight hours.

How warm is the sea around Astoria in August?

The average sea temperature around Astoria in August is 15°C.

Does it rain in Astoria in August?

There are usually 8 days with some rain in Astoria in August and the average monthly rainfall is 42mm.

Astoria August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:58 19:45
Saturday, 16th August 2025 05:16 19:22
Sunday, 31st August 2025 05:35 18:55

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