Dunlap Lake Weather Forecast

    • 36
    • 54

    Increasing Clouds

    • 41
    • 61

    Partly Sunny

    • 59
    • 74

    Partly Sunny

    • 42
    • 88

    Rain Showers Likely

    • 31
    • 51

    Slight Chance Rain Showers

    • 37
    • 56

    Mostly Sunny

Today 23 Mar Madison

Sunny this Morning, then becoming partly sunny. Much cooler with Highs in the mid 50s. Northeast Winds 10 to 15 Mph.

Tonight 23 Mar Madison

Mostly cloudy. A chance of Sprinkles after midnight. Lows in the upper 30s. East Winds 5 to 10 Mph.

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Dunlap Lake Temperature Statistics

March Temperature

St. Louis Regional Airport (8.1 miles)

  • Lowest 16 March, 2026

    22.6 °F

  • Average March

    49.7 °F

  • Highest 20 March, 2026

    86 °F

Climate (2021–Present)

St. Louis Regional Airport (8.1 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    66.5 °F
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