Gretna Weather Forecast

    • 65
    • 86

    Mostly Sunny

    • 63
    • 88

    Rain Showers Likely

    • 62
    • 80

    Rain Showers

    • 59
    • 72

    Rain Showers Likely

    • 57
    • 72

    Chance Rain Showers

    • 57
    • 72

    Slight Chance Thunderstorms

Today 15 Sep Sarpy

Sunny. Highs in the upper 80s. South Winds 5 to 10 Mph.

Tonight 15 Sep Sarpy

Mostly clear. Humid with Lows in the mid 60s. South Winds around 5 Mph.

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Gretna Temperature Statistics

September Temperature

Omaha, Millard Airport (7.5 miles)

  • Lowest 6 September, 2025

    45 °F

  • Average September

    67 °F

  • Highest 13 September, 2025

    95.4 °F

Climate (2020–Present)

Omaha, Millard Airport (7.5 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    64.1 °F
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