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.
- Showers likely in the evening, then occasional showers after midnight. Lows 66 to 72 near the shore to 53 to 60 at 4000 feet.
- Isolated showers in the morning, then scattered showers in the afternoon. Highs 84 to 89 near the shore to around 68 near 5000 feet.
- Isolated showers in the evening. Lows 71 to 76 near the shore to around 53 near 5000 feet.
Friday Night: Cloudy with showers likely.
Author's summary: Hawaii weather forecast for October 17, 2025.
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Big Island Now — 2025-10-17