Avoca Weather Forecast

    • 67
    • 83

    Mostly Sunny

    • 71
    • 91

    Rain Showers Likely

    • 65
    • 81

    Chance Rain Showers

    • 66
    • 83

    Chance Thunderstorms

    • 65
    • 86

    Slight Chance Thunderstorms

    • 67
    • 88

    Partly Sunny

Today 23 Jul St. Clair

Sunny. Highs in the mid 80s. South Winds up to 10 Mph.

Tonight 23 Jul St. Clair

Clear. Lows in the upper 60s. South Winds 5 to 10 Mph.

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Avoca Temperature Statistics

July Temperature

St Clair County International Airport (13 miles)

  • Lowest 18 July, 2025

    51.8 °F

  • Average July

    71.7 °F

  • Highest 6 July, 2025

    91.4 °F

Climate (2020–Present)

St Clair County International Airport (13 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    49.6 °F

  • Average High 2020–2025

    58.6 °F
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