St Peters Weather Forecast

    • 32
    • 42

    Decreasing Clouds

    • 24
    • 48

    Partly Sunny

    • 28
    • 37

    Partly Sunny

    • 31
    • 54

    Mostly Sunny

    • 42
    • 59

    Mostly Sunny

    • 44
    • 66

    Chance Rain

    • 36
    • 55

    Chance Rain

Today 5 Feb St. Charles

Partly sunny. Highs around 40. South Winds 5 to 10 Mph.

Tonight 5 Feb St. Charles

Partly cloudy this Evening, then clearing. Not as cool with Lows around 30. West Winds 5 to 10 Mph.

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St Peters Temperature Statistics

February Temperature

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

  • Lowest 1 February, 2026

    10 °F

  • Average February

    29.9 °F

  • Highest 2 February, 2026

    39 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68.3 °F
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