Porter Lake Weather Forecast

    • 71
    • 94

    Mostly Sunny

    • 71
    • 93

    Slight Chance Thunderstorms

    • 71
    • 93

    Chance Thunderstorms

    • 69
    • 91

    Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

    • 68
    • 86

    Chance Thunderstorms

Today 18 Aug Rhea

Sunny with Highs in the lower 90s. Light Winds. Heat index Values around 105.

Tonight 18 Aug Rhea

Mostly clear. Patchy fog late. Near steady temperature in the lower 70s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Porter Lake Temperature Statistics

August Temperature

Athens McMinn County Airport (21.1 miles)

  • Lowest 4 August, 2025

    66.2 °F

  • Average August

    76.6 °F

  • Highest 15 August, 2025

    93.2 °F

Climate (2020–Present)

Athens McMinn County Airport (21.1 miles)

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  • Average Low 2020–2025

    49.2 °F

  • Average 2020–2025

    59.9 °F

  • Average High 2020–2025

    71.5 °F
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