Round Lake Weather Forecast

    • 74
    • 93

    Thunderstorms Likely

    • 74
    • 91

    Thunderstorms Likely

    • 73
    • 88

    Thunderstorms

    • 72
    • 87

    Thunderstorms Likely

    • 69
    • 92

    Slight Chance Thunderstorms

    • 69
    • 91

    Mostly Sunny

Today 21 Aug Jackson

Mostly sunny. Showers and Thunderstorms likely in the afternoon. Humid with Highs in the mid 90s. West Winds around 5 Mph. Chance of rain 60 percent.

Tonight 21 Aug Jackson

Partly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Humid with Lows in the mid 70s. Southwest Winds around 5 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Lake Temperature Statistics

August Temperature

Marianna Municipal Airport (17.4 miles)

  • Lowest 8 August, 2025

    71.7 °F

  • Average August

    82.5 °F

  • Highest 15 August, 2025

    96.7 °F

Climate (2020–Present)

Marianna Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    58 °F

  • Average 2020–2025

    68.4 °F

  • Average High 2020–2025

    79.6 °F
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