Sun Valley Park Weather Forecast

    • 56
    • 80

    Breezy

    • 36
    • 71

    Slight Chance Rain Showers

    • 37
    • 54

    Mostly Sunny

    • 54
    • 72

    Mostly Sunny

    • 54
    • 76

    Mostly Cloudy

    • 35
    • 68

    Chance Rain Showers

Today 14 Mar Jefferson

Mostly sunny and windy. Highs around 80. South Winds 10 to 15 Mph with Gusts up to 35 Mph, increasing to 20 to 30 Mph with Gusts up to 50 Mph this afternoon.

Tonight 14 Mar Jefferson

Showers with Thunderstorms likely in the Evening, then mostly clear with a slight chance of Thunderstorms after midnight. Some Thunderstorms may be severe. Some Thunderstorms may be severe. Windy with Lows in the mid 50s. South Winds 20 to 30 Mph with Gusts up to 55 Mph, Diminishing to around 15 Mph with Gusts up to 35 Mph after midnight. Chance of rain near 100 percent.

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Sun Valley Park Temperature Statistics

March Temperature

St. Louis Downtown Airport (22.4 miles)

  • Lowest 2 March, 2025

    21.8 °F

  • Average March

    43.4 °F

  • Highest 3 March, 2025

    64.7 °F

Climate (2020–Present)

St. Louis Downtown Airport (22.4 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    57.5 °F

  • Average High 2020–2025

    68.1 °F
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