Gretna Weather Forecast

    • 68
    • 79

    Chance Rain Showers

    • 73
    • 94

    Partly Sunny

    • 77
    • 99

    Hot

    • 74
    • 99

    Hot

    • 71
    • 94

    Slight Chance Thunderstorms

    • 72
    • 93

    Slight Chance Thunderstorms

Today 24 Jul Sarpy

Partly sunny. Highs in the upper 70s. Southeast Winds 5 to 10 Mph.

Tonight 24 Jul Sarpy

Partly cloudy. Patchy fog after midnight. Humid with Lows in the upper 60s. Southeast Winds around 5 Mph.

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Gretna Temperature Statistics

July Temperature

Omaha, Millard Airport (7.5 miles)

  • Lowest 22 July, 2026

    64.4 °F

  • Average July

    79.2 °F

  • Highest 20 July, 2026

    99.1 °F

Climate (2021–2026)

Omaha, Millard Airport (7.5 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    64.5 °F
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