Delmar Loop Weather Forecast

    • 76
    • 96

    Chance Thunderstorms

    • 76
    • 93

    Chance Thunderstorms

    • 78
    • 97

    Slight Chance Thunderstorms

    • 79
    • 98

    Hot

    • 78
    • 98

    Hot

    • 77
    • 97

    Slight Chance Thunderstorms

    • 77
    • 95

    Slight Chance Thunderstorms

Today 20 Jul St. Louis

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent. Heat index Values up to 109.

Tonight 20 Jul St. Louis

Mostly cloudy with a chance of Thunderstorms. A chance of Showers. Some Thunderstorms may produce heavy rainfall. Lows in the mid 70s. South Winds around 5 Mph, becoming east around 5 Mph after midnight. Chance of rain 50 percent. Heat index Values up to 107 early this evening.

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  • Temperature Real-Time

Delmar Loop Temperature Statistics

July Temperature

St. Louis Lambert International Airport (7.5 miles)

  • Lowest 2 July, 2025

    67.6 °F

  • Average July

    81.2 °F

  • Highest 16 July, 2025

    95.6 °F

Climate (2020–Present)

St. Louis Lambert International Airport (7.5 miles)

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  • Average Low 2020–2025

    50.3 °F

  • Average 2020–2025

    59.6 °F

  • Average High 2020–2025

    69 °F
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