Cosby Weather Forecast

    • 26
    • 46

    Decreasing Clouds

    • 33
    • 46

    Partly Sunny

    • 38
    • 57

    Partly Sunny

    • 40
    • 58

    Mostly Cloudy

    • 47
    • 66

    Partly Sunny

    • 39
    • 68

    Mostly Sunny

    • 35
    • 57

    Mostly Cloudy

Today 20 Dec Andrew

Partly sunny. Near steady temperature in the mid 40s. North Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 20 Dec Andrew

Partly cloudy Early, then clearing. Lows in the mid 20s. North Winds 5 to 10 Mph, becoming southeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cosby Temperature Statistics

December Temperature

St. Joseph, Rosecrans Memorial Airport (13.7 miles)

  • Lowest 14 December, 2025

    3 °F

  • Average December

    30.2 °F

  • Highest 9 December, 2025

    55.9 °F

Climate (2020–Present)

St. Joseph, Rosecrans Memorial Airport (13.7 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    66.8 °F
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