Mason Lake Weather Forecast

    • 56
    • 75

    Increasing Clouds

    • 63
    • 79

    Mostly Sunny

    • 73
    • 84

    Chance Rain Showers

    • 66
    • 84

    Rain Showers

    • 59
    • 78

    Chance Thunderstorms

    • 62
    • 80

    Mostly Sunny

    • 67
    • 84

    Chance Thunderstorms

Today 15 Jun Overton

Sunny. Near steady temperature in the mid 70s. Northwest Winds around 5 Mph.

Tonight 15 Jun Overton

Mostly clear. Lows in the mid 50s. Northwest Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mason Lake Temperature Statistics

June Temperature

Sparta Upper Cumberland Regional Airport (17.4 miles)

  • Lowest 3 June, 2026

    50 °F

  • Average June

    73.1 °F

  • Highest 11 June, 2026

    89.6 °F

Climate (2021–Present)

Sparta Upper Cumberland Regional Airport (17.4 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    70.5 °F
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