Saint Peter Weather Forecast

    • 54
    • 88

    Chance Rain Showers

    • 48
    • 65

    Slight Chance Thunderstorms

    • 51
    • 75

    Mostly Sunny

    • 56
    • 71

    Mostly Cloudy

    • 59
    • 78

    Partly Sunny

    • 61
    • 84

    Mostly Sunny

Today 4 Sep Graham

Sunny. Highs in the upper 80s. West Winds 5 to 10 Mph.

Tonight 4 Sep Graham

Mostly clear in the Evening, then mostly cloudy with chance of Showers and slight chance of Thunderstorms after midnight. Lows in the mid 50s. Northeast Winds 5 to 15 Mph. Gusts up to 30 Mph after midnight. Chance of rain 30 percent.

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Saint Peter Temperature Statistics

September Temperature

Hill City, Hill City Municipal Airport (18.6 miles)

  • Lowest 1 September, 2025

    59 °F

  • Average September

    67.4 °F

  • Highest 2 September, 2025

    80.1 °F

Climate (2020–Present)

Hill City, Hill City Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    69.8 °F
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