Festus Weather Forecast

    • 6
    • 21

    Partly Sunny

    • 3
    • 21

    Partly Sunny

    • 20
    • 34

    Mostly Cloudy

    • 24
    • 42

    Mostly Cloudy

Today 30 Jan Jefferson

Mostly sunny. A chance of Flurries this afternoon. Highs around 20. North Winds 5 to 10 Mph. Wind chill Values as low as 4 below.

Tonight 30 Jan Jefferson

Mostly cloudy. A chance of Flurries in the evening. Cold with Lows around 5 above. North Winds 10 to 15 Mph. Wind chill Values as low as 8 below after midnight.

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Festus Temperature Statistics

January Temperature

St. Louis Downtown Airport (26.7 miles)

  • Lowest 26 January, 2026

    0 °F

  • Average January

    32.1 °F

  • Highest 6 January, 2026

    69.7 °F

Climate (2021–Present)

St. Louis Downtown Airport (26.7 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.7 °F
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