Anna Weather Forecast

    • 30
    • 49

    Becoming Sunny

    • 40
    • 59

    Partly Sunny

    • 42
    • 61

    Partly Sunny

    • 39
    • 59

    Rain Showers

    • 37
    • 59

    Partly Sunny

    • 39
    • 60

    Partly Sunny

Today 20 Mar Union

Mostly cloudy in the Morning, then clearing. Much cooler with Highs around 50. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 20 Mar Union

Mostly clear. Lows in the lower 30s. Northwest Winds 5 to 10 Mph, becoming southwest after midnight.

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Anna Temperature Statistics

March Temperature

Southern Illinois Airport (21.7 miles)

  • Lowest 2 March, 2025

    23.8 °F

  • Average March

    51.1 °F

  • Highest 14 March, 2025

    80.1 °F

Climate (2020–Present)

Southern Illinois Airport (21.7 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.4 °F
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