Duncombe Weather Forecast
- 72
- 89
Chance Thunderstorms
- 69
- 88
Chance Thunderstorms
- 62
- 84
Partly Sunny
- 59
- 81
Mostly Sunny
- 60
- 81
Mostly Sunny
- 59
- 83
Slight Chance Rain Showers
Today 17 Aug Webster
Sunny. Highs in the upper 80s. South Winds 5 to 10 Mph. Heat index Values up to 101.
Tonight 17 Aug Webster
Mostly clear Early, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain 40 percent. Heat index Values up to 106 early early.
Duncombe Temperature Statistics
August Temperature
Webster City Municipal Airport (6.2 miles)
Lowest 1 August, 2025
53.6 °FAverage August
70.8 °FHighest 8 August, 2025
87.8 °F
Climate (2020–Present)
Webster City Municipal Airport (6.2 miles)
Average Low 2020–2025
37.8 °FAverage 2020–2025
48.7 °FAverage High 2020–2025
59.5 °F