Deacon Thomas Lake Weather Forecast

    • 69
    • 83

    Chance Thunderstorms

    • 60
    • 83

    Partly Sunny

    • 61
    • 81

    Mostly Sunny

    • 63
    • 81

    Rain Showers

    • 55
    • 77

    Partly Sunny

    • 55
    • 74

    Partly Sunny

Today 15 Aug Sauk

Mostly cloudy. A 30 percent chance of light Showers in the morning. Highs in the lower 80s. Southeast Winds up to 5 Mph.

Tonight 15 Aug Sauk

Mostly cloudy with a 40 percent chance of light Showers and Thunderstorms. Lows in the upper 60s. South Winds up to 5 Mph shifting to the west after midnight.

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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 3 August, 2026

    57.7 °F

  • Average August

    71.9 °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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