Deacon Thomas Lake Weather Forecast

    • 55
    • 79

    Partly Sunny

    • 62
    • 81

    Chance Thunderstorms

    • 60
    • 81

    Chance Rain Showers

    • 56
    • 81

    Mostly Sunny

    • 55
    • 77

    Partly Sunny

    • 59
    • 79

    Slight Chance Thunderstorms

Today 19 Aug Sauk

Partly sunny. Highs in the upper 70s. North Winds up to 5 Mph.

Tonight 19 Aug Sauk

Mostly clear. Patchy fog early in the morning. Lows in the mid 50s. Northwest Winds up to 5 Mph through around midnight becoming calm.

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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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