Cornelius Weather Forecast

    • 62
    • 78

    Mostly Sunny

    • 71
    • 92

    Chance Rain Showers

    • 71
    • 92

    Slight Chance Thunderstorms

    • 70
    • 92

    Partly Sunny

    • 68
    • 88

    Slight Chance Thunderstorms

    • 66
    • 87

    Slight Chance Rain Showers

Today 14 Sep Brown

Mostly sunny. Not as warm with Highs in the upper 70s. East Winds around 5 Mph.

Tonight 14 Sep Brown

Clear through the late Overnight, then becoming partly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph.

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Cornelius Temperature Statistics

September Temperature

Bloomington, Monroe County Airport (19.9 miles)

  • Lowest 7 September, 2026

    58.6 °F

  • Average September

    78.7 °F

  • Highest 3 September, 2026

    95.6 °F

Climate (2021–2026)

Bloomington, Monroe County Airport (19.9 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    66.6 °F
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