Tecumseh Weather Forecast

    • 74
    • 93

    Increasing Clouds

    • 69
    • 98

    Rain Showers

    • 61
    • 83

    Chance Rain Showers

    • 64
    • 83

    Mostly Sunny

    • 66
    • 89

    Chance Thunderstorms

    • 63
    • 85

    Chance Thunderstorms

Today 7 Sep Johnson

Partly cloudy. Humid with Highs in the lower 90s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 101 this afternoon.

Tonight 7 Sep Johnson

Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the mid 70s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tecumseh Temperature Statistics

September Temperature

Nebraska City, Nebraska City Municipal Airport (24.2 miles)

  • Lowest 1 September, 2026

    70.3 °F
  • Average September

    84 °F
  • Highest 2 September, 2026

    98.1 °F

Climate (2021–2026)

Nebraska City, Nebraska City Municipal Airport (24.2 miles)

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  • Average Low 2021–2026

    43.4 °F
  • Average 2021–2026

    53.8 °F
  • Average High 2021–2026

    64.6 °F
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