Pevely Weather Forecast

    • 62
    • 84

    Mostly Sunny

    • 68
    • 90

    Mostly Cloudy

    • 64
    • 89

    Rain Showers Likely

    • 57
    • 75

    Rain Showers Likely

    • 56
    • 69

    Chance Rain Showers

    • 51
    • 70

    Slight Chance Thunderstorms

Today 29 Sep Jefferson

Sunny. Highs in the mid 80s. Southeast Winds around 5 Mph.

Tonight 29 Sep Jefferson

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows in the lower 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pevely Temperature Statistics

September Temperature

St. Louis Downtown Airport (23 miles)

  • Lowest 25 September, 2026

    55.7 °F

  • Average September

    78.1 °F

  • Highest 5 September, 2026

    102.7 °F

Climate (2021–2026)

St. Louis Downtown Airport (23 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    69.5 °F
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