Deacon Thomas Lake Weather Forecast

    • 48
    • 71

    Mostly Cloudy

    • 53
    • 69

    Mostly Cloudy

    • 51
    • 73

    Partly Sunny

    • 59
    • 73

    Rain Showers Likely

    • 58
    • 71

    Rain Showers Likely

    • 51
    • 71

    Chance Rain Showers

    • 50
    • 67

    Slight Chance Rain Showers

Today 26 Sep Sauk

Partly sunny. Highs in the mid 60s.

Tonight 26 Sep Sauk

Mostly cloudy. Lows in the upper 40s. Southeast 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 23 September, 2026

    40.6 °F

  • Average September

    66.6 °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

    38.7 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    60.4 °F
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