Byrnes Mill Weather Forecast

    • 46
    • 81

    Rain Showers

    • 44
    • 63

    Partly Sunny

    • 38
    • 61

    Partly Sunny

    • 37
    • 62

    Mostly Sunny

    • 52
    • 70

    Chance Rain Showers

    • 45
    • 71

    Chance Rain Showers

    • 46
    • 68

    Slight Chance Rain Showers

Today 18 Apr Jefferson

Mostly sunny with scattered Thunderstorms with isolated Showers. Some Thunderstorms may be severe with damaging Winds and large hail. Highs around 80. Temperature falling into the mid 70s late. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 18 Apr Jefferson

Mostly cloudy. A slight chance of Showers and Thunderstorms late this evening. Lows in the mid 40s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Byrnes Mill Temperature Statistics

April Temperature

St. Louis, Spirit Of St. Louis Airport (15.5 miles)

  • Lowest 5 April, 2024

    28.9 °F

  • Average April

    58.3 °F

  • Highest 14 April, 2024

    86 °F

Climate (2019–Present)

St. Louis, Spirit Of St. Louis Airport (15.5 miles)

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  • Average Low 2019–2024

    46.2 °F

  • Average 2019–2024

    56.7 °F

  • Average High 2019–2024

    67.7 °F
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