Fontana Lake Weather Forecast

    • 70
    • 88

    Chance Rain Showers

    • 71
    • 89

    Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

    • 71
    • 92

    Slight Chance Thunderstorms

    • 72
    • 91

    Partly Sunny

    • 71
    • 91

    Chance Thunderstorms

Today 12 Aug Graham

Partly sunny this Morning, then becoming mostly sunny. A slight chance of Thunderstorms. A chance of Showers, mainly this morning. Highs in the mid 80s. West Winds around 5 Mph. Chance of rain 50 percent.

Tonight 12 Aug Graham

Mostly cloudy with a chance of Showers. Patchy fog after midnight. Visibility one quarter mile or less at Times after midnight. Lows in the upper 60s. West Winds around 5 Mph. Chance of rain 50 percent.

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Fontana Lake Temperature Statistics

August Temperature

Macon County Airport (19.3 miles)

  • Lowest 1 August, 2026

    61.2 °F

  • Average August

    72.7 °F

  • Highest 10 August, 2026

    86.9 °F

Climate (2021–2026)

Macon County Airport (19.3 miles)

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  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    69.3 °F
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