Machens Weather Forecast

    • 57
    • 58

    Chance Rain Showers

    • 18
    • 70

    Rain Showers

    • 17
    • 27

    Blustery

    • 25
    • 34

    Mostly Sunny

    • 22
    • 43

    Partly Sunny

    • 13
    • 33

    Partly Sunny

Today 27 Dec St. Charles

Cloudy with a slight chance of Thunderstorms. A chance of Showers in the Morning, then Showers in the afternoon. Not as cool with Highs in the lower 70s. Temperature falling into the upper 50s in the afternoon. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 80 percent.

Tonight 27 Dec St. Charles

Mostly cloudy with a chance of rain Showers in the Evening, then partly cloudy after midnight. Breezy and much cooler. Less humid with Lows around 19. West Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 50 percent. Wind chill Values as low as 2 above after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Machens Temperature Statistics

December Temperature

St. Charles, St. Charles County Smartt Airport (5.6 miles)

  • Lowest 14 December, 2025

    6.1 °F

  • Average December

    33.8 °F

  • Highest 23 December, 2025

    63 °F

Climate (2020–Present)

St. Charles, St. Charles County Smartt Airport (5.6 miles)

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

  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    57.8 °F

  • Average High 2020–2025

    68.4 °F
Get WillyWeather+ to remove ads