Mount Pleasant Weather Forecast

    • 65
    • 84

    Mostly Sunny

    • 67
    • 85

    Thunderstorms

    • 59
    • 77

    Partly Sunny

    • 59
    • 78

    Partly Sunny

    • 64
    • 83

    Chance Rain Showers

    • 71
    • 87

    Rain Showers Likely

Today 12 Jun St. Louis City

Sunny, cooler with Highs in the lower 80s. North Winds around 5 Mph.

Tonight 12 Jun St. Louis City

Mostly clear. Lows in the mid 60s. Northeast Winds around 5 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Pleasant Temperature Statistics

June Temperature

St. Louis Downtown Airport (4.3 miles)

  • Lowest 3 June, 2026

    52.6 °F

  • Average June

    77.5 °F

  • Highest 9 June, 2026

    91.9 °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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