St Peters Weather Forecast

    • 38
    • 64

    Partly Sunny

    • 43
    • 65

    Mostly Sunny

    • 60
    • 71

    Chance Thunderstorms

    • 60
    • 79

    Rain Showers Likely

    • 59
    • 76

    Rain Showers Likely

    • 41
    • 75

    Chance Thunderstorms

Today 25 Mar St. Charles

Mostly sunny. Near steady temperature in the lower 60s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 25 Mar St. Charles

Mostly cloudy this Evening, then clearing. Lows in the upper 30s. North Winds 5 to 10 Mph, becoming southwest after midnight.

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St Peters Temperature Statistics

March Temperature

St. Louis, Spirit Of St. Louis Airport (8.7 miles)

  • Lowest 2 March, 2025

    18.8 °F
  • Average March

    51.4 °F
  • Highest 14 March, 2025

    84.7 °F

Climate (2020–Present)

St. Louis, Spirit Of St. Louis Airport (8.7 miles)

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  • Average Low 2020–2025

    45.8 °F
  • Average 2020–2025

    56.7 °F
  • Average High 2020–2025

    68 °F
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