Gretna Weather Forecast

    • 25
    • 39

    Gradual Clearing

    • 19
    • 36

    Becoming Sunny

    • 29
    • 39

    Mostly Sunny

    • 38
    • 50

    Partly Sunny

    • 32
    • 57

    Mostly Cloudy

    • 21
    • 39

    Partly Sunny

    • 27
    • 41

    Mostly Cloudy

Today 9 Jan Sarpy

Partly sunny. Near steady temperature in the upper 30s. North Winds around 5 Mph.

Tonight 9 Jan Sarpy

Cloudy with a slight chance of snow in the Evening, then partly cloudy after midnight. Lows in the mid 20s. Northwest Winds 5 to 10 Mph. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gretna Temperature Statistics

January Temperature

Omaha, Millard Airport (7.5 miles)

  • Lowest 3 January, 2026

    24.4 °F

  • Average January

    34.2 °F

  • Highest 7 January, 2026

    65.8 °F

Climate (2021–Present)

Omaha, Millard Airport (7.5 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    64.2 °F
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