Herculaneum Weather Forecast

    • 64
    • 70

    Rain Showers

    • 66
    • 81

    Isolated Thunderstorms

    • 62
    • 82

    Rain Showers

    • 56
    • 79

    Rain Showers Likely

    • 62
    • 84

    Slight Chance Thunderstorms

    • 60
    • 84

    Chance Thunderstorms

    • 54
    • 81

    Chance Thunderstorms

Today 26 Apr Jefferson

Cloudy with numerous Showers with isolated Thunderstorms. Near steady temperature in the mid 60s. Southeast Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

Tonight 26 Apr Jefferson

Showers and numerous Thunderstorms this Evening, then scattered Showers with isolated Thunderstorms after midnight. Locally heavy rainfall possible this evening. Not as cool. Near steady temperature in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herculaneum Temperature Statistics

April Temperature

St. Louis Downtown Airport (23.6 miles)

  • Lowest 6 April, 2024

    31.7 °F

  • Average April

    59.3 °F

  • Highest 14 April, 2024

    89.7 °F

Climate (2019–Present)

St. Louis Downtown Airport (23.6 miles)

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  • Average Low 2019–2024

    47.1 °F

  • Average 2019–2024

    57.2 °F

  • Average High 2019–2024

    67.6 °F
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