The Tiffany Weather Forecast

    • 70
    • 95

    Slight Chance Thunderstorms

    • 64
    • 84

    Partly Sunny

    • 65
    • 82

    Partly Sunny

    • 66
    • 81

    Chance Rain Showers

    • 71
    • 88

    Mostly Sunny

    • 75
    • 95

    Mostly Sunny

Today 21 Jul St. Louis City

Partly sunny with a chance of Showers with a slight chance of Thunderstorms this Morning, then sunny this afternoon. Highs in the mid 90s. Northwest Winds 10 to 15 Mph. Chance of rain 40 percent. Heat index Values up to 105.

Tonight 21 Jul St. Louis City

Mostly clear. Cooler with Lows in the upper 60s. North Winds 10 to 15 Mph.

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The Tiffany Temperature Statistics

July Temperature

St. Louis Downtown Airport (6.2 miles)

  • Lowest 13 July, 2026

    67.6 °F

  • Average July

    81.1 °F

  • Highest 2 July, 2026

    96.7 °F

Climate (2021–2026)

St. Louis Downtown Airport (6.2 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.3 °F
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