St Johns Weather Forecast

    • 29
    • 34

    Increasing Clouds

    • 30
    • 38

    Rain

    • 20
    • 48

    Rain

    • 22
    • 25

    Mostly Cloudy

    • 25
    • 40

    Mostly Cloudy

    • 22
    • 34

    Mostly Cloudy

Today 16 Dec De Kalb

Sunny. Highs in the mid 30s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph this afternoon.

Tonight 16 Dec De Kalb

Mostly clear in the Evening, then becoming mostly cloudy. Not as cool. Near steady temperature in the lower 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Johns Temperature Statistics

December Temperature

Auburn De Kalb County Airport (1.9 miles)

  • Lowest 5 December, 2025

    -4 °F

  • Average December

    22 °F

  • Highest 10 December, 2025

    39.2 °F

Climate (2020–Present)

Auburn De Kalb County Airport (1.9 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    51.3 °F

  • Average High 2020–2025

    60.6 °F
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