Deacon Thomas Lake Weather Forecast

    • 48
    • 65

    Increasing Clouds

    • 51
    • 68

    Mostly Cloudy

    • 48
    • 68

    Mostly Cloudy

    • 50
    • 65

    Chance Rain Showers

    • 51
    • 67

    Mostly Cloudy

    • 55
    • 72

    Partly Sunny

Today 23 Sep Sauk

Mostly sunny. Patchy fog in the morning. Highs in the mid 60s. East Winds 5 to 10 Mph.

Tonight 23 Sep Sauk

Partly cloudy. Lows in the upper 40s. East 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 14 September, 2026

    42.7 °F

  • Average September

    68 °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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