St. Mary's Weather Forecast

    • 50
    • 75

    Rain

    • 40
    • 59

    Rain Likely

    • 48
    • 65

    Chance Rain Showers

    • 39
    • 56

    Partly Sunny

    • 35
    • 54

    Mostly Sunny

    • 39
    • 57

    Partly Sunny

    • 45
    • 59

    Partly Sunny

Today 18 Oct Northern Will

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the mid 70s. Southwest Winds 10 to 15 Mph. Chance of precipitation 50 percent.

Tonight 18 Oct Northern Will

A chance of Thunderstorms in the evening. Showers. A slight chance of Thunderstorms after midnight. Breezy. Lows around 50. South Winds 5 to 10 Mph, increasing to northwest 15 to 20 Mph with Gusts up to 35 Mph after midnight. Chance of precipitation near 100 percent.

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St. Mary's Temperature Statistics

October Temperature

Lewis University Airport (4.3 miles)

  • Lowest 10 October, 2025

    42.8 °F

  • Average October

    61.5 °F

  • Highest 3 October, 2025

    87.8 °F

Climate (2020–Present)

Lewis University Airport (4.3 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    61.9 °F
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