Merritt Lake Weather Forecast

    • 55
    • 73

    Rain Showers

    • 50
    • 76

    Partly Sunny

    • 51
    • 78

    Chance Thunderstorms

    • 46
    • 70

    Chance Rain Showers

    • 52
    • 73

    Rain Showers Likely

    • 56
    • 79

    Chance Rain Showers

    • 59
    • 85

    Chance Thunderstorms

Today 16 Jun North St. Louis

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature around 70. Southeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 16 Jun North St. Louis

Cloudy. Showers with Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Locally heavy rainfall possible in the evening. Humid with Lows in the mid 50s. Northeast Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 90 percent.

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Merritt Lake Temperature Statistics

June Temperature

Cook Municipal Airport (18 miles)

  • Lowest 14 June, 2025

    32 °F

  • Average June

    57.9 °F

  • Highest 2 June, 2025

    87.8 °F

Climate (2020–Present)

Cook Municipal Airport (18 miles)

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  • Average Low 2020–2025

    30.5 °F

  • Average 2020–2025

    41.7 °F

  • Average High 2020–2025

    51.8 °F
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