Hawaii County Weather Forecast for October 15, 2025 | Big Island Now

Hawaii County Weather Forecast for October 15, 2025

Trade winds will strengthen to become moderate to locally breezy this week.

The main focus for this week is on the increasing shower trends and the potential.

Rest Of This Afternoon

Partly sunny with scattered showers. Highs 80 to 86 near the shore to around 68 at 4000 feet.

Evening and Night

Numerous showers in the evening, then scattered showers after midnight. Lows 64 to 71 near the shore to 51 to 57 at 4000 feet.

Northeast winds up to 10 mph shifting to the northwest after midnight.

Wednesday

Mostly sunny in the morning then becoming partly sunny. Highs 80 to 87 near the shore to 65 to 70 at 4000 feet.

Later in the Week

No direct quotes available.

Author summary: Hawaii weather forecast for October 15, 2025.

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Big Island Now Big Island Now — 2025-10-15

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