St Marys Weather Forecast

    • 67
    • 85

    Chance Thunderstorms

    • 70
    • 90

    Chance Thunderstorms

    • 66
    • 87

    Rain Showers

    • 62
    • 80

    Chance Thunderstorms

    • 66
    • 85

    Mostly Sunny

    • 75
    • 91

    Mostly Sunny

    • 75
    • 93

    Mostly Sunny

Today 15 Jun Warren

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the mid 80s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 15 Jun Warren

Mostly cloudy. A chance of Showers and Thunderstorms Early, then a chance of Thunderstorms with a slight chance of Showers this evening. Humid with Lows in the mid 60s. Southeast Winds around 5 Mph, becoming east. Chance of rain 30 percent.

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St Marys Temperature Statistics

June Temperature

Des Moines International Airport (16.2 miles)

  • Lowest 10 June, 2025

    51.7 °F

  • Average June

    70 °F

  • Highest 11 June, 2025

    95.6 °F

Climate (2020–Present)

Des Moines International Airport (16.2 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    62.8 °F
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