Gretna Weather Forecast

    • 61
    • 74

    Chance Thunderstorms

    • 62
    • 79

    Rain Showers Likely

    • 62
    • 83

    Chance Thunderstorms

    • 61
    • 85

    Chance Thunderstorms

    • 59
    • 82

    Slight Chance Thunderstorms

    • 60
    • 82

    Slight Chance Thunderstorms

Today 29 May Sarpy

Cloudy. Showers likely this Morning, then a chance of Showers with a slight chance of Thunderstorms this afternoon. Not as warm with Highs in the mid 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 29 May Sarpy

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the lower 60s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gretna Temperature Statistics

May Temperature

Omaha, Millard Airport (7.5 miles)

  • Lowest 2 May, 2026

    33.1 °F

  • Average May

    63.2 °F

  • Highest 15 May, 2026

    91.9 °F

Climate (2021–Present)

Omaha, Millard Airport (7.5 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    64.5 °F
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