Anna Weather Forecast

    • 56
    • 76

    Rain Showers

    • 44
    • 67

    Partly Sunny

    • 48
    • 66

    Partly Sunny

    • 42
    • 63

    Mostly Cloudy

    • 40
    • 62

    Mostly Sunny

    • 49
    • 70

    Mostly Sunny

    • 51
    • 73

    Slight Chance Thunderstorms

Today 28 Apr Union

Showers likely with a chance of Thunderstorms. Near steady temperature in the mid 70s. Northwest Winds around 5 Mph. Chance of rain 60 percent.

Tonight 28 Apr Union

Showers with a chance of Thunderstorms. Lows in the mid 50s. East Winds around 5 Mph, becoming northwest after midnight. Chance of rain near 100 percent.

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  • Temperature Real-Time

Anna Temperature Statistics

April Temperature

Southern Illinois Airport (21.7 miles)

  • Lowest 6 April, 2026

    36.6 °F

  • Average April

    65.7 °F

  • Highest 14 April, 2026

    86.6 °F

Climate (2021–Present)

Southern Illinois Airport (21.7 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    69.2 °F
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