Riddle's Roost Airport Weather Forecast

    • 66
    • 86

    Chance Thunderstorms

    • 64
    • 84

    Rain Showers Likely

    • 71
    • 91

    Chance Thunderstorms

    • 71
    • 90

    Chance Thunderstorms

    • 61
    • 86

    Rain Showers Likely

    • 58
    • 78

    Chance Rain Showers

Today 15 May St. Charles

Mostly cloudy with a chance of Showers and Thunderstorms in the Morning, then mostly sunny in the afternoon. Warmer with Highs in the mid 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 15 May St. Charles

Partly cloudy with a chance of Showers and Thunderstorms. Not as cool. Near steady temperature in the upper 50s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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Riddle's Roost Airport Temperature Statistics

May Temperature

Washington Regional Airport (16.8 miles)

  • Lowest 7 May, 2026

    39.2 °F

  • Average May

    60.6 °F

  • Highest 4 May, 2026

    84.2 °F

Climate (2021–Present)

Washington Regional Airport (16.8 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    69.6 °F
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