Deacon Thomas Lake Weather Forecast

    • 44
    • 62

    Rain Showers

    • 46
    • 66

    Partly Sunny

    • 47
    • 67

    Mostly Cloudy

    • 46
    • 68

    Mostly Cloudy

    • 49
    • 67

    Chance Rain Showers

    • 52
    • 70

    Mostly Cloudy

Today 22 Sep Sauk

Partly sunny. Scattered Sprinkles in the morning. Highs in the lower 60s. East Winds 5 to 10 Mph.

Tonight 22 Sep Sauk

Partly cloudy. Lows in the lower 40s. Northeast Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deacon Thomas Lake Temperature Statistics

September Temperature

Lone Rock Tri-County Regional Airport (16.2 miles)

  • Lowest 14 September, 2026

    42.7 °F

  • Average September

    68.5 °F

  • Highest 1 September, 2026

    89.7 °F

Climate (2021–2026)

Lone Rock Tri-County Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    60.4 °F
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