Valmeyer Weather Forecast

    • 76
    • 92

    Isolated Thunderstorms

    • 77
    • 97

    Hot

    • 76
    • 97

    Hot

    • 76
    • 93

    Slight Chance Thunderstorms

    • 76
    • 94

    Slight Chance Thunderstorms

    • 76
    • 95

    Partly Sunny

Today 22 Jul Monroe

Partly sunny with isolated Showers and Thunderstorms. Near steady temperature around 90. Southeast Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 106.

Tonight 22 Jul Monroe

Partly cloudy. Isolated Showers and Thunderstorms in the evening. Humid with Lows in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 104 early in the evening.

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Valmeyer Temperature Statistics

July Temperature

St. Louis Downtown Airport (19.9 miles)

  • Lowest 2 July, 2025

    63.6 °F

  • Average July

    81.6 °F

  • Highest 11 July, 2025

    97.6 °F

Climate (2020–Present)

St. Louis Downtown Airport (19.9 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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