Foristell Weather Forecast

    • 40
    • 60

    Slight Chance Rain Showers

    • 48
    • 66

    Partly Sunny

    • 49
    • 72

    Chance Thunderstorms

    • 57
    • 79

    Rain Showers Likely

    • 46
    • 71

    Chance Rain Showers

    • 52
    • 72

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

Today 6 May St. Charles

Sunny. Near steady temperature around 60. Northwest Winds 5 to 10 Mph.

Tonight 6 May St. Charles

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Foristell Temperature Statistics

May Temperature

Washington Regional Airport (15.5 miles)

  • Lowest 1 May, 2026

    42.8 °F

  • Average May

    62 °F

  • Highest 4 May, 2026

    84.2 °F

Climate (2021–Present)

Washington Regional Airport (15.5 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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