Tri-County Aerodrome Weather Forecast

    • 75
    • 94

    Slight Chance Thunderstorms

    • 75
    • 99

    Hot

    • 76
    • 98

    Hot

    • 76
    • 97

    Hot

    • 75
    • 98

    Hot

    • 75
    • 97

    Hot

Today 11 Sep Fannin

Partly sunny with a 20 percent chance of Showers and Thunderstorms this Morning, then sunny this afternoon. Highs in the mid 90s. South Winds around 5 Mph.

Tonight 11 Sep Fannin

Mostly clear. Lows in the mid 70s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tri-County Aerodrome Temperature Statistics

September Temperature

McKinney - McKinney National Airport (22.4 miles)

  • Lowest 1 September, 2026

    75.7 °F

  • Average September

    87.7 °F

  • Highest 1 September, 2026

    100.7 °F

Climate (2021–2026)

McKinney - McKinney National Airport (22.4 miles)

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  • Average Low 2021–2026

    56.6 °F

  • Average 2021–2026

    67.5 °F

  • Average High 2021–2026

    78.6 °F
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