Deacon Thomas Lake Weather Forecast

    • 62
    • 72

    Rain Showers

    • 46
    • 70

    Rain Showers Likely

    • 41
    • 66

    Mostly Sunny

    • 45
    • 67

    Partly Sunny

    • 40
    • 67

    Mostly Sunny

    • 41
    • 63

    Mostly Sunny

Today 30 Sep Sauk

Mostly cloudy. Chance of light Showers in the morning. Slight chance of light Showers in the afternoon. Highs in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of Showers 50 percent.

Tonight 30 Sep Sauk

Cloudy. Chance of light Showers through around Midnight, then Showers likely after midnight. Lows in the lower 60s. Southwest Winds up to 5 Mph. Chance of Showers 70 percent.

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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 23 September, 2026

    40.6 °F

  • Average September

    66 °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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