Deacon Thomas Lake Weather Forecast

    • 56
    • 78

    Increasing Clouds

    • 64
    • 81

    Chance Rain Showers

    • 60
    • 81

    Mostly Sunny

    • 56
    • 83

    Mostly Sunny

    • 59
    • 82

    Chance Rain Showers

    • 63
    • 82

    Chance Thunderstorms

Today 24 Aug Sauk

Partly sunny. Highs in the upper 70s. Calm Winds.

Tonight 24 Aug Sauk

Clear through around midnight then becoming partly cloudy. Patchy fog early in the morning. Lows in the mid 50s. Southeast Winds up to 5 Mph.

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  • Temperature Real-Time

Deacon Thomas Lake Temperature Statistics

August Temperature

Lone Rock Tri-County Regional Airport (16.2 miles)

  • Lowest 20 August, 2026

    54.6 °F

  • Average August

    71.4 °F

  • Highest 10 August, 2026

    85.6 °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

    49.5 °F

  • Average High 2021–2026

    60.4 °F
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