Deer Plain Weather Forecast

    • 61
    • 70

    Rain Showers

    • 63
    • 81

    Chance Rain Showers

    • 59
    • 82

    Chance Thunderstorms

    • 63
    • 85

    Slight Chance Thunderstorms

    • 65
    • 84

    Chance Thunderstorms

    • 66
    • 83

    Rain Showers Likely

Today 22 May Calhoun

Cloudy. Isolated Showers. Highs in the upper 60s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 22 May Calhoun

Cloudy. Isolated Showers in the evening. Lows around 60. Northeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Deer Plain Temperature Statistics

May Temperature

St. Charles, St. Charles County Smartt Airport (5 miles)

  • Lowest 3 May, 2026

    40.6 °F

  • Average May

    63.3 °F

  • Highest 17 May, 2026

    87.1 °F

Climate (2021–Present)

St. Charles, St. Charles County Smartt Airport (5 miles)

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

  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.9 °F
Get WillyWeather+ to remove ads