De Kalb Weather Forecast

    • 22
    • 35

    Mostly Cloudy

    • 14
    • 33

    Rain/Snow

    • 10
    • 23

    Chance Snow

    • 14
    • 33

    Mostly Cloudy

    • 5
    • 29

    Slight Chance Snow

    • 5
    • 20

    Mostly Cloudy

Today 19 Feb Southwestern St. Lawrence

Partly sunny. Highs in the mid 30s. Northeast Winds around 10 Mph.

Tonight 19 Feb Southwestern St. Lawrence

Partly cloudy until Midnight, then becoming mostly cloudy. Lows in the lower 20s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

De Kalb Temperature Statistics

February Temperature

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

  • Lowest 9 February, 2026

    -15.5 °F
  • Average February

    15.9 °F
  • Highest 16 February, 2026

    41.4 °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

    56 °F
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