St Joseph Weather Forecast

    • 21
    • 37

    Mostly Cloudy

    • 5
    • 25

    Mostly Cloudy

    • 16
    • 21

    Mostly Sunny

    • 26
    • 46

    Mostly Sunny

    • 34
    • 52

    Partly Sunny

    • 34
    • 57

    Mostly Cloudy

    • 32
    • 51

    Partly Sunny

Today 12 Dec Buchanan

Mostly sunny and cooler. Near steady temperature in the mid 30s. Northwest Winds 5 to 10 Mph.

Tonight 12 Dec Buchanan

Mostly cloudy. Cold with Lows around 20. North Winds 5 to 10 Mph.

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St Joseph Temperature Statistics

December Temperature

St. Joseph, Rosecrans Memorial Airport (3.7 miles)

  • Lowest 4 December, 2025

    9 °F

  • Average December

    30 °F

  • Highest 9 December, 2025

    55.9 °F

Climate (2020–Present)

St. Joseph, Rosecrans Memorial Airport (3.7 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    66.7 °F
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