Deacon Thomas Lake Weather Forecast

    • 56
    • 70

    Rain Showers

    • 54
    • 69

    Rain Showers

    • 52
    • 65

    Chance Rain Showers

    • 49
    • 62

    Chance Rain Showers

    • 47
    • 62

    Partly Sunny

    • 50
    • 67

    Partly Sunny

Today 18 Sep Sauk

Mostly cloudy. Chance of light rain Showers late in the morning. Rain Showers likely in the afternoon. Slight chance of Thunderstorms late in the afternoon. Highs in the upper 60s. East Winds 5 to 15 Mph. Chance of precipitation 70 percent.

Tonight 18 Sep Sauk

Rain Showers and chance of Thunderstorms. Locally heavy rainfall possible after midnight. Lows in the upper 50s. East Winds 10 to 15 Mph. Chance of precipitation near 100 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 14 September, 2026

    43 °F

  • Average September

    70.5 °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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