Pevely Weather Forecast

    • 71
    • 86

    Thunderstorms Likely

    • 73
    • 90

    Thunderstorms Likely

    • 75
    • 96

    Chance Thunderstorms

    • 75
    • 95

    Slight Chance Thunderstorms

    • 77
    • 98

    Slight Chance Thunderstorms

    • 77
    • 100

    Hot

Today 17 Jul Jefferson

Partly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the lower 90s. Northwest Winds around 5 Mph, becoming north around 5 Mph in the afternoon. Chance of rain 50 percent. Heat index Values up to 105.

Tonight 17 Jul Jefferson

Partly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pevely Temperature Statistics

July Temperature

St. Louis Downtown Airport (23 miles)

  • Lowest 2 July, 2025

    64 °F

  • Average July

    81.1 °F

  • Highest 11 July, 2025

    97.6 °F

Climate (2020–Present)

St. Louis Downtown Airport (23 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    68.3 °F
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