St Johns Weather Forecast

    • 19
    • 21

    Snow Likely

    • 12
    • 31

    Snow Likely

    • 13
    • 22

    Mostly Cloudy

    • 16
    • 28

    Mostly Cloudy

    • 18
    • 28

    Mostly Cloudy

    • 24
    • 33

    Mostly Cloudy

Today 30 Dec De Kalb

Mostly cloudy. Near steady temperature around 20. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 30 Dec De Kalb

Snow. Snow accumulation around an inch. Cold with Lows around 19. West Winds around 10 Mph with Gusts up to 20 Mph. Chance of snow 80 percent.

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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

    27.6 °F

  • Highest 28 December, 2025

    62.6 °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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