Mountain Island Lake Weather Forecast

    • 69
    • 93

    Rain Showers

    • 64
    • 88

    Chance Thunderstorms

    • 67
    • 88

    Mostly Sunny

    • 72
    • 90

    Chance Rain Showers

    • 70
    • 91

    Rain Showers Likely

    • 68
    • 89

    Slight Chance Thunderstorms

Today 18 Jun Gaston

Partly sunny this Morning, then mostly sunny with a chance of Showers and Thunderstorms this afternoon. Breezy with Highs in the lower 90s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 18 Jun Gaston

A chance of Thunderstorms. Showers. Patchy fog after midnight. Lows in the upper 60s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mountain Island Lake Temperature Statistics

June Temperature

Charlotte, Charlotte / Douglas International Airport (9.3 miles)

  • Lowest 3 June, 2026

    53.7 °F

  • Average June

    77.6 °F

  • Highest 12 June, 2026

    97.6 °F

Climate (2021–2026)

Charlotte, Charlotte / Douglas International Airport (9.3 miles)

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  • Average Low 2021–2026

    53.5 °F

  • Average 2021–2026

    63.5 °F

  • Average High 2021–2026

    73.9 °F
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