Gretna Weather Forecast

    • 72
    • 95

    Partly Sunny

    • 73
    • 96

    Partly Sunny

    • 71
    • 92

    Chance Thunderstorms

    • 77
    • 92

    Partly Sunny

    • 71
    • 96

    Chance Thunderstorms

    • 68
    • 89

    Chance Thunderstorms

    • 67
    • 86

    Slight Chance Rain Showers

Today 4 Sep Sarpy

Sunny, hot. Near steady temperature in the mid 90s. South Winds 5 to 10 Mph. Heat index Values up to 114.

Tonight 4 Sep Sarpy

Partly cloudy this Evening, then clearing. Lows in the lower 70s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gretna Temperature Statistics

September Temperature

Omaha, Millard Airport (7.5 miles)

  • Lowest 1 September, 2026

    74.7 °F

  • Average September

    82.7 °F

  • Highest 2 September, 2026

    97.3 °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

    64.4 °F
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