Swan Lake Weather Forecast

    • 55
    • 81

    Mostly Sunny

    • 60
    • 84

    Mostly Sunny

    • 63
    • 82

    Mostly Cloudy

    • 60
    • 79

    Chance Rain Showers

    • 58
    • 81

    Slight Chance Thunderstorms

    • 61
    • 84

    Mostly Sunny

Today 29 Jul Allegan

Sunny. Highs in the upper 70s near lake Michigan in the lower 80s inland. Light Winds becoming north 5 to 10 Mph with Gusts to around 20 Mph in the afternoon.

Tonight 29 Jul Allegan

Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph with Gusts to around 20 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Swan Lake Temperature Statistics

July Temperature

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

  • Lowest 23 July, 2026

    48.2 °F

  • Average July

    74 °F

  • Highest 1 July, 2026

    91.4 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.6 °F
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