Keokuk Weather Forecast
- 77
- 90
Partly Sunny
- 75
- 94
Chance Thunderstorms
- 72
- 90
Rain Showers Likely
- 68
- 82
Rain Showers Likely
- 69
- 81
Rain Showers Likely
- 70
- 85
Chance Rain Showers
Today 10 Aug Lee
Mostly cloudy with a slight chance of Showers and Thunderstorms. Hot with Highs around 90. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 103 this afternoon.
Tonight 10 Aug Lee
Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Humid with Lows in the mid 70s. South Winds around 5 Mph. Heat index Values up to 102 early in the evening.
Keokuk Temperature Statistics
August Temperature
Keokuk Municipal Airport (4.3 miles)
Lowest 3 August, 2026
62.6 °FAverage August
73.2 °FHighest 4 August, 2026
87.8 °F
Climate (2021–2026)
Keokuk Municipal Airport (4.3 miles)
Average Low 2021–2026
44.2 °FAverage 2021–2026
54 °FAverage High 2021–2026
63.6 °F