Lewistown Weather Forecast

    • 67
    • 93

    Slight Chance Rain Showers

    • 66
    • 83

    Rain Showers

    • 58
    • 71

    Rain Showers

    • 56
    • 66

    Chance Rain Showers

    • 54
    • 69

    Mostly Cloudy

    • 53
    • 71

    Partly Sunny

    • 54
    • 73

    Partly Sunny

Today 20 Sep Lewis

Sunny. A slight chance of Showers and Thunderstorms in the morning. Highs around 90. Chance of rain 20 percent.

Tonight 20 Sep Lewis

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the mid 60s. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewistown Temperature Statistics

September Temperature

Keokuk Municipal Airport (32.9 miles)

  • Lowest 8 September, 2024

    42.8 °F
  • Average September

    68.5 °F
  • Highest 5 September, 2024

    87.8 °F

Climate (2019–Present)

Keokuk Municipal Airport (32.9 miles)

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  • Average Low 2019–2024

    43.5 °F
  • Average 2019–2024

    52.9 °F
  • Average High 2019–2024

    62.3 °F
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