Fontana Dam Weather Forecast

    • 67
    • 92

    Slight Chance Thunderstorms

    • 65
    • 90

    Chance Thunderstorms

    • 64
    • 89

    Chance Thunderstorms

    • 64
    • 89

    Chance Thunderstorms

    • 62
    • 86

    Rain Showers

    • 59
    • 80

    Rain Showers Likely

Today 18 Sep Swain

Mostly sunny. Patchy fog this morning. A slight chance of Showers and Thunderstorms this afternoon. Visibility one quarter mile or less at Times this morning. Highs in the mid 80s. North Winds around 5 Mph. Chance of rain 20 percent.

Tonight 18 Sep Swain

Partly cloudy. Areas of fog after midnight. Visibility one quarter mile or less at Times after midnight. Lows in the mid 60s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fontana Dam Temperature Statistics

September Temperature

Andrews-Murphy Airport (17.4 miles)

  • Lowest 10 September, 2026

    57.4 °F

  • Average September

    73.4 °F

  • Highest 3 September, 2026

    92.7 °F

Climate (2021–2026)

Andrews-Murphy Airport (17.4 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    71.5 °F
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