Hawaii County Weather Forecast for October 17, 2025 | Big Island Now

Hawaii County Weather Forecast for October 17, 2025

A relatively unstable moderate to locally breezy trade wind weather pattern will continue into Saturday.

Tonight: Cloudy with occasional showers. Lows 66 to 72 near the shore to 52 to 59 at 4000 feet.

Friday: Cloudy with showers likely. Highs 80 to 86 near the shore to around 68 at 4000 feet.

Friday Night: Cloudy with showers likely.

Author's summary: Hawaii weather forecast for October 17, 2025.

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Big Island Now Big Island Now — 2025-10-17

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