Webster Weather Forecast
- 70
- 87
Thunderstorms
- 68
- 83
Thunderstorms
- 66
- 80
Chance Thunderstorms
- 65
- 83
Slight Chance Thunderstorms
- 66
- 83
Slight Chance Thunderstorms
- 68
- 85
Slight Chance Thunderstorms
- 69
- 87
Partly Sunny
Today 9 Aug Keokuk
Partly sunny. A slight chance of Showers and Thunderstorms late this Morning, then a chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may produce heavy rainfall this afternoon. Highs in the upper 80s. South Winds 10 to 15 Mph. Chance of rain 40 percent.
Tonight 9 Aug Keokuk
Mostly cloudy. A chance of Showers and Thunderstorms this Evening, then Showers and Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall. Lows around 70. Southeast Winds 5 to 10 Mph. Chance of rain 90 percent.
Webster Temperature Statistics
August Temperature
Oskaloosa, Oskaloosa Municipal Airport (21.7 miles)
Lowest 1 August, 2025
57.4 °FAverage August
71.7 °FHighest 6 August, 2025
86.4 °F
Climate (2020–Present)
Oskaloosa, Oskaloosa Municipal Airport (21.7 miles)
Average Low 2020–2025
43.4 °FAverage 2020–2025
53.7 °FAverage High 2020–2025
64.5 °F