McLean Weather Forecast

    • 58
    • 80

    Rain Showers

    • 53
    • 74

    Slight Chance Rain Showers

    • 56
    • 80

    Mostly Sunny

    • 61
    • 86

    Partly Sunny

    • 63
    • 85

    Chance Rain Showers

    • 64
    • 86

    Chance Thunderstorms

Today 6 Jun Tompkins

Partly sunny. A chance of Showers in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Highs in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 6 Jun Tompkins

Mostly cloudy with Showers with a chance of Thunderstorms in the Evening, then partly cloudy with a chance of Showers after midnight. Lows in the upper 50s. West Winds 5 to 10 Mph. Chance of rain 90 percent.

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McLean Temperature Statistics

June Temperature

Cortland County-Chase Field (4.3 miles)

  • Lowest 2 June, 2026

    37.4 °F

  • Average June

    57.1 °F

  • Highest 3 June, 2026

    77 °F

Climate (2021–Present)

Cortland County-Chase Field (4.3 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    47.3 °F

  • Average High 2021–2026

    56.5 °F
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