Royal Lakes Weather Forecast

    • 66
    • 83

    Mostly Cloudy

    • 57
    • 73

    Rain Showers

    • 61
    • 74

    Rain Showers

    • 53
    • 72

    Rain Showers Likely

    • 47
    • 68

    Mostly Sunny

    • 47
    • 70

    Partly Sunny

Today 28 Apr Macoupin

Mostly sunny. Not as cool with Highs in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 28 Apr Macoupin

Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Not as cool with Lows in the upper 60s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Royal Lakes Temperature Statistics

April Temperature

St. Louis Regional Airport (15.5 miles)

  • Lowest 8 April, 2025

    28.4 °F

  • Average April

    53.1 °F

  • Highest 24 April, 2025

    78.8 °F

Climate (2020–Present)

St. Louis Regional Airport (15.5 miles)

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

  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    65.9 °F
Get WillyWeather+ to remove ads