Bethany Reservoir Weather Forecast

    • 74
    • 90

    Partly Sunny

    • 77
    • 95

    Partly Sunny

    • 77
    • 95

    Partly Sunny

    • 77
    • 95

    Mostly Sunny

    • 74
    • 95

    Slight Chance Thunderstorms

    • 73
    • 94

    Slight Chance Thunderstorms

Today 29 Aug Harrison

Partly cloudy. Highs around 90. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 29 Aug Harrison

Partly cloudy. Lows in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Real-Time

Bethany Reservoir Temperature Statistics

August Temperature

Lamoni, Lamoni Municipal Airport (22.4 miles)

  • Lowest 23 August, 2026

    58.6 °F

  • Average August

    75.2 °F

  • Highest 9 August, 2026

    90.6 °F

Climate (2021–2026)

Lamoni, Lamoni Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.8 °F
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