Riverside Lake Weather Forecast

    • 53
    • 72

    Chance Rain Showers

    • 58
    • 75

    Chance Thunderstorms

    • 59
    • 77

    Slight Chance Thunderstorms

    • 60
    • 82

    Slight Chance Thunderstorms

    • 54
    • 81

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

Today 18 Sep Hamilton

Cloudy. Chance of Showers in the Morning, then chance of Showers and slight chance of Thunderstorms in the afternoon. Highs in the lower 70s. Southwest Winds around 10 Mph. Chance of precipitation 30 percent.

Tonight 18 Sep Hamilton

Mostly cloudy with a 20 percent chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the lower 50s. West Winds around 10 Mph in the evening then becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverside Lake Temperature Statistics

September Temperature

Grand Island, Central Nebraska Regional Airport (6.2 miles)

  • Lowest 6 September, 2025

    42.1 °F

  • Average September

    67.5 °F

  • Highest 12 September, 2025

    96.1 °F

Climate (2020–Present)

Grand Island, Central Nebraska Regional Airport (6.2 miles)

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  • Average Low 2020–2025

    41.4 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    65.4 °F
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