Valmeyer Weather Forecast

    • 67
    • 84

    Chance Thunderstorms

    • 65
    • 84

    Chance Thunderstorms

    • 70
    • 90

    Mostly Sunny

    • 71
    • 91

    Chance Thunderstorms

    • 60
    • 87

    Rain Showers Likely

    • 56
    • 77

    Chance Thunderstorms

Today 15 May Monroe

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 80s. South Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 15 May Monroe

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Valmeyer Temperature Statistics

May Temperature

St. Louis Downtown Airport (19.9 miles)

  • Lowest 7 May, 2026

    39.7 °F

  • Average May

    61 °F

  • Highest 12 May, 2026

    83.6 °F

Climate (2021–Present)

St. Louis Downtown Airport (19.9 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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