Deacon Thomas Lake Weather Forecast

    • 42
    • 67

    Becoming Sunny

    • 64
    • 71

    Rain Showers

    • 52
    • 76

    Chance Rain Showers

    • 57
    • 70

    Rain Showers Likely

    • 56
    • 75

    Chance Rain Showers

    • 55
    • 73

    Chance Rain Showers

Today 13 Sep Sauk

Cooler. Partly sunny until late afternoon then clearing. A 40 percent chance of light rain Showers in the late morning and early afternoon. Highs in the upper 60s. Northwest Winds up to 10 Mph.

Tonight 13 Sep Sauk

Mostly clear. Lows in the mid 40s. West 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

September Temperature

Lone Rock Tri-County Regional Airport (16.2 miles)

  • Lowest 11 September, 2026

    52 °F

  • Average September

    73.3 °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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