Deacon Thomas Lake Weather Forecast

    • 55
    • 82

    Chance Rain Showers

    • 52
    • 77

    Mostly Sunny

    • 63
    • 80

    Chance Rain Showers

    • 54
    • 80

    Slight Chance Rain Showers

    • 61
    • 75

    Rain Showers Likely

    • 59
    • 81

    Rain Showers Likely

Today 9 Sep Sauk

Partly sunny until late afternoon then clearing. Highs in the lower 80s. West Winds 5 to 15 Mph.

Tonight 9 Sep Sauk

Cooler. Mostly clear. Lows in the mid 50s. Northwest 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 6 September, 2026

    61 °F

  • Average September

    76.6 °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

    38.6 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    60.4 °F
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