St Marys Weather Forecast

    • 46
    • 80

    Rain Showers Likely

    • 46
    • 70

    Mostly Sunny

    • 53
    • 74

    Rain Showers Likely

    • 58
    • 72

    Rain Showers

    • 44
    • 72

    Slight Chance Thunderstorms

    • 45
    • 68

    Partly Sunny

    • 45
    • 71

    Chance Rain Showers

Today 23 Apr Pottawatomie

Showers with Thunderstorms likely. Highs in the upper 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 23 Apr Pottawatomie

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, and Tornadoes. Much cooler with Lows in the mid 40s. West Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 50 percent.

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St Marys Temperature Statistics

April Temperature

Topeka, Philip Billard Municipal Airport (24.9 miles)

  • Lowest 5 April, 2026

    32.6 °F

  • Average April

    61 °F

  • Highest 14 April, 2026

    87.7 °F

Climate (2021–Present)

Topeka, Philip Billard Municipal Airport (24.9 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    69.8 °F
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