Mount Pleasant Weather Forecast

    • 69
    • 90

    Rain Showers

    • 66
    • 88

    Becoming Sunny

    • 70
    • 90

    Mostly Sunny

    • 72
    • 92

    Mostly Sunny

    • 74
    • 94

    Partly Sunny

    • 76
    • 95

    Chance Thunderstorms

    • 74
    • 93

    Chance Thunderstorms

Today 30 Jun St. Louis City

Partly sunny with scattered Showers and Thunderstorms. Near steady temperature in the upper 80s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 30 Jun St. Louis City

Mostly cloudy. Showers and Thunderstorms Likely, mainly this evening. Lows in the upper 60s. Northwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Pleasant Temperature Statistics

June Temperature

St. Louis Downtown Airport (4.3 miles)

  • Lowest 10 June, 2025

    55.7 °F

  • Average June

    76.3 °F

  • Highest 22 June, 2025

    97.6 °F

Climate (2020–Present)

St. Louis Downtown Airport (4.3 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    68.3 °F
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