Crystal City Weather Forecast

    • 57
    • 73

    Mostly Cloudy

    • 46
    • 74

    Partly Sunny

    • 58
    • 71

    Mostly Cloudy

    • 20
    • 70

    Rain Likely

    • 17
    • 30

    Mostly Sunny

    • 24
    • 38

    Mostly Sunny

Today 25 Dec Jefferson

Mostly cloudy. Patchy dense fog. Highs in the lower 70s. West Winds around 5 Mph, becoming southeast around 5 Mph this afternoon.

Tonight 25 Dec Jefferson

Mostly cloudy. Lows in the upper 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal City Temperature Statistics

December Temperature

St. Louis Downtown Airport (26.7 miles)

  • Lowest 14 December, 2025

    7 °F

  • Average December

    33.7 °F

  • Highest 23 December, 2025

    69.1 °F

Climate (2020–Present)

St. Louis Downtown Airport (26.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.6 °F
Get WillyWeather+ to remove ads