Dayton Weather Forecast
- 59
- 74
Slight Chance Thunderstorms
- 54
- 65
Rain Showers Likely
- 50
- 58
Rain Showers
- 46
- 61
Partly Sunny
- 51
- 65
Mostly Cloudy
- 56
- 67
Slight Chance Rain Showers
- 57
- 70
Mostly Cloudy
Today 19 Sep Webster
Mostly cloudy with a chance of Showers in the Morning, then partly sunny with a slight chance of Showers in the afternoon. Highs around 70. Chance of rain 30 percent.
Tonight 19 Sep Webster
Cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the upper 50s. North Winds 5 to 10 Mph. Chance of rain 20 percent.
Dayton Temperature Statistics
September Temperature
Webster City Municipal Airport (15.5 miles)
Lowest 13 September, 2026
50 °FAverage September
70.2 °FHighest 1 September, 2026
89.6 °F
Climate (2021–2026)
Webster City Municipal Airport (15.5 miles)
Average Low 2021–2026
37.4 °FAverage 2021–2026
48.2 °FAverage High 2021–2026
59 °F