Foristell Weather Forecast

    • 67
    • 85

    Slight Chance Thunderstorms

    • 66
    • 86

    Slight Chance Thunderstorms

    • 70
    • 89

    Mostly Sunny

    • 72
    • 92

    Thunderstorms Likely

    • 70
    • 90

    Chance Thunderstorms

    • 69
    • 88

    Slight Chance Thunderstorms

    • 70
    • 90

    Mostly Sunny

Today 6 Jul St. Charles

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 6 Jul St. Charles

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the upper 60s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Foristell Temperature Statistics

July Temperature

Washington Regional Airport (15.5 miles)

  • Lowest 4 July, 2026

    71.6 °F

  • Average July

    84 °F

  • Highest 2 July, 2026

    95 °F

Climate (2021–2026)

Washington Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.7 °F
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