Mount Pleasant Weather Forecast

    • 45
    • 65

    Chance Rain Showers

    • 45
    • 64

    Partly Sunny

    • 41
    • 61

    Mostly Sunny

    • 56
    • 74

    Slight Chance Thunderstorms

    • 58
    • 81

    Chance Thunderstorms

    • 51
    • 72

    Rain Showers Likely

    • 46
    • 67

    Chance Thunderstorms

Today 30 Apr St. Louis City

Mostly sunny. Near steady temperature in the mid 60s. Southwest Winds around 5 Mph.

Tonight 30 Apr St. Louis City

Mostly cloudy with a chance of Showers in the Evening, then partly cloudy after midnight. Lows in the lower 40s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Pleasant Temperature Statistics

April Temperature

St. Louis Downtown Airport (4.3 miles)

  • Lowest 6 April, 2026

    37.7 °F

  • Average April

    63.6 °F

  • Highest 14 April, 2026

    90.6 °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

    58.3 °F

  • Average High 2021–2026

    69.2 °F
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