Anna Weather Forecast

    • 73
    • 88

    Rain Showers Likely

    • 64
    • 86

    Chance Rain Showers

    • 63
    • 84

    Partly Sunny

    • 67
    • 85

    Chance Thunderstorms

    • 70
    • 85

    Rain Showers

    • 65
    • 83

    Chance Thunderstorms

Today 17 Jun Union

Sunny, breezy with Highs in the upper 80s. South Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming southwest 15 to 25 Mph with Gusts up to 40 Mph in the afternoon.

Tonight 17 Jun Union

Partly cloudy. Near steady temperature in the mid 60s. South Winds around 5 Mph.

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Anna Temperature Statistics

June Temperature

Southern Illinois Airport (21.7 miles)

  • Lowest 3 June, 2026

    51.7 °F

  • Average June

    75.6 °F

  • Highest 11 June, 2026

    94.6 °F

Climate (2021–2026)

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

    69.3 °F
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