Mount Pleasant Weather Forecast

    • 71
    • 89

    Mostly Cloudy

    • 71
    • 90

    Chance Thunderstorms

    • 71
    • 86

    Rain Showers

    • 72
    • 86

    Rain Showers

    • 74
    • 92

    Chance Thunderstorms

    • 76
    • 95

    Mostly Sunny

Today 5 Jun St. Louis City

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 5 Jun St. Louis City

Partly cloudy. Lows around 70. Southwest Winds 10 to 15 Mph.

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  • Temperature Real-Time

Mount Pleasant Temperature Statistics

June Temperature

St. Louis Downtown Airport (4.3 miles)

  • Lowest 3 June, 2026

    53.1 °F

  • Average June

    72.4 °F

  • Highest 1 June, 2026

    85.6 °F

Climate (2021–Present)

St. Louis Downtown Airport (4.3 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    69.3 °F
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