Waipahu Weather Forecast

    • 75
    • 86

    Partly Sunny

    • 76
    • 87

    Mostly Sunny

    • 76
    • 86

    Partly Sunny

    • 76
    • 87

    Rain Showers

    • 75
    • 86

    Mostly Sunny

    • 75
    • 87

    Mostly Sunny

Today 16 Sep Ewa Plain

Sunny and breezy. Highs 81 to 88. Northeast Winds 10 to 20 Mph.

Tonight 16 Sep Ewa Plain

Partly cloudy. Breezy. Lows 69 to 76. Northeast Winds 10 to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Waipahu Temperature Statistics

September Temperature

Daniel K Inouye International Airport (5.6 miles)

  • Lowest 5 September, 2025

    73 °F

  • Average September

    81.4 °F

  • Highest 5 September, 2025

    90 °F

Climate (2020–Present)

Daniel K Inouye International Airport (5.6 miles)

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

  • Average Low 2020–2025

    72.7 °F

  • Average 2020–2025

    78.2 °F

  • Average High 2020–2025

    85 °F
Get WillyWeather+ to remove ads