Eureka Weather Forecast

    • 28
    • 35

    Mostly Sunny

    • 15
    • 52

    Mostly Sunny

    • 14
    • 27

    Mostly Sunny

    • 25
    • 38

    Mostly Sunny

    • 34
    • 51

    Mostly Sunny

    • 43
    • 55

    Chance Rain

Today 3 Dec St. Louis

Mostly cloudy this Morning, then clearing. Highs in the mid 30s. West Winds around 5 Mph, becoming south this afternoon.

Tonight 3 Dec St. Louis

Mostly clear. Lows in the upper 20s. Temperature rising into the lower 30s after midnight. South Winds 10 to 15 Mph.

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Eureka Temperature Statistics

December Temperature

St. Louis, Spirit Of St. Louis Airport (10.6 miles)

  • Lowest 1 December, 2024

    18 °F

  • Average December

    25.3 °F

  • Highest 1 December, 2024

    30 °F

Climate (2019–Present)

St. Louis, Spirit Of St. Louis Airport (10.6 miles)

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  • Average Low 2019–2024

    46.1 °F

  • Average 2019–2024

    56.9 °F

  • Average High 2019–2024

    68 °F
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