Newport Beach weather in August 2026

Expect daytime maximum temperatures of 24°C in Newport Beach, California in August based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 24°C maximum daytime temperature in August in Newport Beach24
    24°C max day temperature
  • 11 hours of sunshine per day
  • 0 days with some rainfall in August in Newport Beach0
    0 days with some rainfall
  • 17°C minimum night-time temperature in August in Newport Beach17
    17°C min night temperature
  • 13 hours of daylight per day in August in Newport Beach13
    13 hours of daylight per day
  • Low heat & humidity in August in Newport BeachL
    Low heat & humidity
  • 2 mm monthly rainfall in August in Newport Beach2
    2 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Newport Beach10
    10 (Very High) UV index
  • 20°C sea temperature in August in Newport Beach20
    20°C sea temperature

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The August weather guide for California (Newport Beach) 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 Newport Beach in August?

Daytime temperatures usually reach 30°C in Newport Beach in August with moderate heat and humidity, falling to 18°C at night.

How sunny is it in Newport Beach in August?

There are normally 11 hours of bright sunshine each day in Newport Beach in August - that's 83% of daylight hours.

Does it ever rain in Newport Beach in August?

There is usually 1 day with some rain in Newport Beach in August and the average monthly rainfall is 4mm.

Newport Beach August sunrise & sunset times

Browse the sunrise and sunset times for Newport Beach in August 2026. Select a month to view Newport Beach sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 05:04 18:52
Sunday, 16th August 2026 05:15 18:37
Monday, 31st August 2026 05:25 18:18

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