Mason Lake Weather Forecast

    • 44
    • 63

    Increasing Clouds

    • 45
    • 67

    Increasing Clouds

    • 38
    • 61

    Partly Sunny

    • 46
    • 64

    Mostly Sunny

    • 55
    • 74

    Partly Sunny

    • 59
    • 74

    Rain Showers Likely

    • 50
    • 71

    Rain Showers Likely

Today 30 Apr Overton

Sunny. Near steady temperature in the lower 60s. North Winds 5 to 10 Mph.

Tonight 30 Apr Overton

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the mid 40s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mason Lake Temperature Statistics

April Temperature

Sparta Upper Cumberland Regional Airport (17.4 miles)

  • Lowest 6 April, 2026

    33.8 °F

  • Average April

    65.2 °F

  • Highest 2 April, 2026

    84.2 °F

Climate (2021–Present)

Sparta Upper Cumberland Regional Airport (17.4 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    59.6 °F

  • Average High 2021–2026

    70.4 °F
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