St Johns Weather Forecast

    • 40
    • 56

    Decreasing Clouds

    • 41
    • 65

    Mostly Sunny

    • 56
    • 70

    Chance Rain Showers

    • 60
    • 83

    Rain Showers Likely

    • 65
    • 81

    Chance Thunderstorms

    • 70
    • 87

    Chance Thunderstorms

    • 62
    • 83

    Rain Showers Likely

Today 13 May De Kalb

Mostly cloudy and cooler. Near steady temperature in the mid 50s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 13 May De Kalb

Partly cloudy this Evening, then clearing. Lows around 40. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph with Gusts up to 20 Mph after midnight.

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  • Temperature Real-Time

St Johns Temperature Statistics

May Temperature

Auburn De Kalb County Airport (1.9 miles)

  • Lowest 2 May, 2026

    28.4 °F

  • Average May

    50.7 °F

  • Highest 4 May, 2026

    77 °F

Climate (2021–Present)

Auburn De Kalb County Airport (1.9 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    60.7 °F
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