Deacon Thomas Lake Weather Forecast

    • 55
    • 81

    Mostly Sunny

    • 62
    • 83

    Partly Sunny

    • 67
    • 80

    Chance Rain Showers

    • 72
    • 88

    Chance Rain Showers

    • 70
    • 89

    Chance Thunderstorms

    • 68
    • 87

    Chance Rain Showers

    • 67
    • 87

    Chance Rain Showers

Today 27 Aug Sauk

Sunny. Northwest Winds up to 5 Mph.

Tonight 27 Aug Sauk

Mostly clear. Patchy fog early in the morning. Lows in the mid 50s. Calm Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deacon Thomas Lake Temperature Statistics

August Temperature

Lone Rock Tri-County Regional Airport (16.2 miles)

  • Lowest 24 August, 2026

    48.9 °F

  • Average August

    70.8 °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

    60.3 °F
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