Swan Lake Weather Forecast

    • 74
    • 91

    Mostly Sunny

    • 69
    • 95

    Partly Sunny

    • 67
    • 84

    Chance Thunderstorms

    • 68
    • 86

    Chance Thunderstorms

    • 66
    • 89

    Mostly Sunny

    • 67
    • 90

    Mostly Sunny

Today 23 Jul Allegan

Sunny. Highs in the lower 90s. South Winds 5 to 10 Mph with Gusts to around 20 Mph. Heat index Readings 93 to 98.

Tonight 23 Jul Allegan

Mostly clear. Lows in the lower 60s. Southeast Winds around 10 Mph.

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  • Temperature Real-Time

Swan Lake Temperature Statistics

July Temperature

South Haven, South Haven Area Regional Airport (16.8 miles)

  • Lowest 18 July, 2025

    55.4 °F

  • Average July

    73.9 °F

  • Highest 5 July, 2025

    89.6 °F

Climate (2020–Present)

South Haven, South Haven Area Regional Airport (16.8 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    59.1 °F
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