Anna Weather Forecast

    • 35
    • 72

    Chance Rain Showers

    • 30
    • 51

    Partly Sunny

    • 41
    • 59

    Partly Sunny

    • 43
    • 60

    Rain Showers

    • 40
    • 62

    Rain Showers

    • 38
    • 57

    Partly Sunny

Today 19 Mar Union

Mostly cloudy this Morning, then mostly sunny with a slight chance of Showers and Thunderstorms this afternoon. Windy with Highs in the lower 70s. South Winds 15 to 20 Mph, becoming southwest 20 to 30 Mph this afternoon. Gusts up to 45 Mph. Chance of rain 20 percent.

Tonight 19 Mar Union

Mostly clear in the Evening, then mostly cloudy with a chance of Showers after midnight. Breezy and much cooler with Lows in the mid 30s. West Winds 15 to 25 Mph. Gusts up to 45 Mph in the evening. Chance of rain 30 percent.

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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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