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.
Lewistown Temperature Statistics
September Temperature
Keokuk Municipal Airport (32.9 miles)
Lowest 8 September, 2024
42.8 °FAverage September
68.5 °FHighest 5 September, 2024
87.8 °F
Climate (2019–Present)
Keokuk Municipal Airport (32.9 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
43.5 °FAverage 2019–2024
52.9 °FAverage High 2019–2024
62.3 °F