Weather Forecast

Hawaii County Weather Forecast for December 29, 2025

Expanding sea breezes favor interior clouds and a couple of showers this afternoon. Trades return early to mid-week favoring showers windward and mauka. A…

Hawaii County Weather Forecast for December 28, 2025

Land and sea breeze pattern with interior clouds and a few isolated showers continues into Monday. Breezy easterly trades then return by mid-week supporting…

Hawaii County Weather Forecast for December 28, 2025

Land and sea breeze pattern with interior clouds and a few isolated showers continues into Monday. Breezy easterly trades then return by mid-week supporting…

Hawaii County Weather Forecast for December 27, 2025

Trade winds are expected to decrease tonight as the veer to a more southeastward direction. A relatively dry and stable air mass will continue to support light…

Hawaii County Weather Forecast for December 26, 2025

Today will likely be the last day of trade winds, as winds become southeast Friday. A relatively dry and stable air mass will continue to support only light…

Hawaii County Weather Forecast for December 25, 2025

Stable easterly trade winds will decrease slightly and focus limited rainfall along mainly windward slopes through Friday. Somewhat dry conditions will persist…

Hawaii County Weather Forecast for December 24, 2025

Breezy trade winds driven by high pressure to the north will weaken to moderate levels by Wednesday becoming land and sea breezes this weekend. Lingering…

Hawaii County Weather Forecast for December 23, 2025

Strong trades tonight and Tuesday will ease during late week eventually veering to southeasterly. A band of showers will focus showers primarily windward and…

Hawaii County Weather Forecast for December 22, 2025

High pressure will strengthen trade wind speeds Monday into Tuesday, then taper off Wednesday through the end of the week. A remnant front will increase…

Hawaii County Weather Forecast for December 21, 2025

A few heavy showers and thunderstorms may linger through the evening across Kauai and Oahu. Trade winds are expected to build tonight becoming breezy Monday and…

Hawaii County Weather Forecast for December 20, 2025

Showers and thunderstorms will continue into tonight, mainly over western islands. Light southeast surface winds will give way to increasing trade winds…

Hawaii County Weather Forecast for December 19, 2025

A band of moderate to heavy rain over Oahu today will move toward Kauai County this evening. A flood watch is likely to be extended over Kauai County tonight…

Hawaii County Weather Forecast for December 18, 2025

A stalled cold front near Kauai will produce periods of moderate to locally heavy showers and a few thunderstorms across the western portion of the state in an…

Hawaii County Weather Forecast for December 17, 2025

An approaching cold front from the northwest, and pre-frontal convergence, will provide focus for showers and thunderstorms that will primarily impact…

Hawaii County Weather Forecast for December 16, 2025

A surface trough is oriented NE-SW across Kauai County this afternoon, with thunderstorms forming and moving toward Niihau and Kauai as of 2 PM HST. This…

Hawaii County Weather Forecast for December 16, 2025

A surface trough is oriented NE-SW across Kauai County this afternoon, with thunderstorms forming and moving toward Niihau and Kauai as of 2 PM HST. This…

Hawaii County Weather Forecast for December 16, 2025

A surface trough is oriented NE-SW across Kauai County this afternoon, with thunderstorms forming and moving toward Niihau and Kauai as of 2 PM HST. This…

Hawaii County Weather Forecast for December 15, 2025

Hilo Tonight: Partly sunny early in the evening then becoming partly cloudy. Isolated showers in the evening. Lows 60 to 70 near the shore to 51 to 57 at 4000 feet. South winds up to 10 mph in the evening becoming light. Chance of rain 20 percent. Monday: Mostly sunny in the morning then becoming […]

Hawaii County Weather Forecast for December 15, 2025

Hilo Tonight: Partly sunny early in the evening then becoming partly cloudy. Isolated showers in the evening. Lows 60 to 70 near the shore to 51 to 57 at 4000 feet. South winds up to 10 mph in the evening becoming light. Chance of rain 20 percent. Monday: Mostly sunny in the morning then becoming […]

Hawaii County Weather Forecast for December 15, 2025

Hilo Tonight: Partly sunny early in the evening then becoming partly cloudy. Isolated showers in the evening. Lows 60 to 70 near the shore to 51 to 57 at 4000 feet. South winds up to 10 mph in the evening becoming light. Chance of rain 20 percent. Monday: Mostly sunny in the morning then becoming […]
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