De Kalb Weather Forecast

    • 49
    • 72

    Slight Chance Rain Showers

    • 63
    • 84

    Slight Chance Rain Showers

    • 60
    • 82

    Chance Rain Showers

    • 42
    • 72

    Mostly Cloudy

    • 40
    • 59

    Partly Sunny

    • 44
    • 64

    Partly Sunny

Today 17 May Southwestern St. Lawrence

Partly sunny. Highs in the lower 70s. Light and variable Winds, becoming northwest around 10 Mph in the afternoon.

Tonight 17 May Southwestern St. Lawrence

Partly cloudy. Lows in the upper 40s. Light and variable Winds.

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De Kalb Temperature Statistics

May Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (36 miles)

  • Lowest 11 May, 2026

    34.3 °F

  • Average May

    48.3 °F

  • Highest 5 May, 2026

    70.3 °F

Climate (2021–Present)

Fort Drum / Wheeler-Sack U. S. Army Airfield (36 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    55.9 °F
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