Waimea Bay Weather Forecast

    • 71
    • 82

    Rain Showers Likely

    • 72
    • 83

    Rain Showers

    • 72
    • 83

    Mostly Cloudy

    • 71
    • 83

    Mostly Cloudy

    • 70
    • 81

    Mostly Cloudy

    • 69
    • 82

    Partly Sunny

    • 70
    • 83

    Mostly Cloudy

Today 19 Dec Kauai Southwest

Mostly cloudy. Showers likely early in the morning. Slight chance of Thunderstorms through the day. Numerous Showers. Locally heavy rainfall possible early in the morning. Locally heavy rainfall possible in the afternoon. Highs around 82 near the shore to around 71 above 3000 feet. Light Winds becoming south around 10 Mph in the afternoon. Chance of rain 70 percent.

Tonight 19 Dec Kauai Southwest

Mostly cloudy. Scattered Showers and isolated Thunderstorms in the Evening, then isolated Showers and Thunderstorms after midnight. Locally heavy rainfall possible. Lows around 70 near the shore to around 60 above 3000 feet. Light Winds. Chance of rain 40 percent.

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Waimea Bay Temperature Statistics

December Temperature

Kekaha, Pacific Missile Test Facility Barking Sands (8.7 miles)

  • Lowest 12 December, 2025

    66.9 °F

  • Average December

    75.2 °F

  • Highest 5 December, 2025

    84 °F

Climate (2020–Present)

Kekaha, Pacific Missile Test Facility Barking Sands (8.7 miles)

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  • Average Low 2020–2025

    69.8 °F

  • Average 2020–2025

    76.7 °F

  • Average High 2020–2025

    83.1 °F
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