Jamestown Weather Forecast

    • 69
    • 89

    Slight Chance Rain Showers

    • 70
    • 89

    Partly Sunny

    • 71
    • 93

    Thunderstorms

    • 68
    • 79

    Thunderstorms Likely

    • 66
    • 81

    Chance Thunderstorms

    • 65
    • 83

    Slight Chance Thunderstorms

Today 26 Aug Bienville

Partly cloudy. A slight chance of Showers with isolated Thunderstorms this afternoon. Highs in the upper 80s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 26 Aug Bienville

Partly Cloudy, then becoming mostly cloudy. A slight chance of Showers with isolated Thunderstorms this afternoon. Lows in the upper 60s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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Jamestown Temperature Statistics

August Temperature

Minden Airport (21.1 miles)

  • Lowest 5 August, 2025

    66.2 °F

  • Average August

    81.5 °F

  • Highest 18 August, 2025

    98.6 °F

Climate (2020–Present)

Minden Airport (21.1 miles)

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  • Average Low 2020–2025

    55.2 °F

  • Average 2020–2025

    65.2 °F

  • Average High 2020–2025

    76.4 °F
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