Mahana Bay Weather Forecast

    • 76
    • 85

    Rain Showers

    • 76
    • 86

    Rain Showers

    • 75
    • 86

    Breezy

    • 75
    • 85

    Breezy

    • 75
    • 86

    Breezy

    • 74
    • 85

    Breezy

Today 21 Jul Big Island Southeast

Occasional Showers in the Morning, then scattered Showers in the afternoon. Highs 81 to 89 near the shore to 68 to 74 near 4000 feet. East Winds up to 15 Mph increasing to 10 to 15 Mph in the afternoon. Chance of rain near 100 percent.

Tonight 21 Jul Big Island Southeast

Mostly cloudy with scattered Showers. Lows 70 to 75 near the shore to 54 to 60 near 4000 feet. Northeast Winds up to 15 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mahana Bay Temperature Statistics

July Temperature

Kailua / Kona, Keahole Airport (61.5 miles)

  • Lowest 14 July, 2026

    73.9 °F

  • Average July

    81.8 °F

  • Highest 17 July, 2026

    89.1 °F

Climate (2021–2026)

Kailua / Kona, Keahole Airport (61.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    73.4 °F

  • Average 2021–2026

    79.1 °F

  • Average High 2021–2026

    84.7 °F
Get WillyWeather+ to remove ads