Cortland Weather Forecast

    • 43
    • 73

    Mostly Sunny

    • 47
    • 74

    Mostly Sunny

    • 48
    • 72

    Partly Sunny

    • 51
    • 71

    Mostly Cloudy

    • 50
    • 72

    Mostly Cloudy

    • 46
    • 66

    Slight Chance Rain Showers

Today 21 Oct De Kalb

Sunny. Highs in the lower 70s. Southwest Winds around 5 Mph.

Tonight 21 Oct De Kalb

Clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cortland Temperature Statistics

October Temperature

De Kalb Taylor Municipal Airport (1.2 miles)

  • Lowest 17 October, 2026

    33.1 °F

  • Average October

    58.7 °F

  • Highest 12 October, 2026

    86.5 °F

Climate (2021–2026)

De Kalb Taylor Municipal Airport (1.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    59.8 °F
Get WillyWeather+ to remove ads