Grand Gulf Weather Forecast

    • 74
    • 92

    Slight Chance Thunderstorms

    • 74
    • 95

    Chance Thunderstorms

    • 75
    • 95

    Mostly Sunny

    • 70
    • 95

    Mostly Sunny

    • 68
    • 94

    Sunny

    • 71
    • 94

    Mostly Sunny

    • 72
    • 94

    Mostly Sunny

Today 13 Sep Claiborne

Sunny with a chance of Showers and Thunderstorms. Near steady temperature in the lower 90s. West Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 112.

Tonight 13 Sep Claiborne

Partly cloudy with a chance of Showers and Thunderstorms this Evening, then mostly clear after midnight. Patchy fog after midnight. Lows in the lower 70s. Light and variable Winds. Chance of rain 30 percent.

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  • Temperature Real-Time

Grand Gulf Temperature Statistics

September Temperature

Vicksburg Municipal (14.9 miles)

  • Lowest 10 September, 2026

    71.6 °F

  • Average September

    82.9 °F

  • Highest 6 September, 2026

    98.6 °F

Climate (2021–2026)

Vicksburg Municipal (14.9 miles)

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  • Average Low 2021–2026

    56.7 °F

  • Average 2021–2026

    66.7 °F

  • Average High 2021–2026

    77.8 °F
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