Deacon Thomas Lake Weather Forecast

    • 54
    • 81

    Decreasing Clouds

    • 54
    • 76

    Mostly Sunny

    • 57
    • 79

    Partly Sunny

    • 59
    • 81

    Mostly Sunny

    • 66
    • 85

    Mostly Sunny

    • 65
    • 90

    Mostly Sunny

Today 21 Jul Sauk

Sunny in the morning then becoming partly sunny. Highs around 80. Northwest Winds 10 to 15 Mph.

Tonight 21 Jul Sauk

Cooler. Partly cloudy. Lows in the lower 50s. North Winds 5 to 15 Mph decreasing to up to 5 Mph after midnight.

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Deacon Thomas Lake Temperature Statistics

July Temperature

Lone Rock Tri-County Regional Airport (16.2 miles)

  • Lowest 11 July, 2026

    58.6 °F

  • Average July

    76.7 °F

  • Highest 15 July, 2026

    95.6 °F

Climate (2021–2026)

Lone Rock Tri-County Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    60.4 °F
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