St Marys Weather Forecast

    • 64
    • 84

    Rain Showers Likely

    • 61
    • 81

    Rain Showers Likely

    • 60
    • 80

    Chance Thunderstorms

    • 64
    • 83

    Chance Thunderstorms

    • 64
    • 83

    Chance Thunderstorms

    • 59
    • 84

    Slight Chance Thunderstorms

Today 17 Sep Pottawatomie

Partly sunny with a chance of Thunderstorms. A chance of Showers. Humid with Highs in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 17 Sep Pottawatomie

Partly cloudy with a chance of Showers and Thunderstorms. Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Marys Temperature Statistics

September Temperature

Topeka, Philip Billard Municipal Airport (24.9 miles)

  • Lowest 6 September, 2025

    48 °F

  • Average September

    69 °F

  • Highest 12 September, 2025

    91.9 °F

Climate (2020–Present)

Topeka, Philip Billard Municipal Airport (24.9 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    69.2 °F
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