Harper Weather Forecast
- 49
- 75
Becoming Sunny
- 51
- 77
Mostly Sunny
- 55
- 74
Partly Sunny
- 55
- 74
Mostly Cloudy
- 50
- 71
Mostly Cloudy
- 45
- 63
Slight Chance Rain Showers
Today 21 Oct Keokuk
Sunny. Highs in the mid 70s. Southwest Winds around 5 Mph.
Tonight 21 Oct Keokuk
Mostly clear. Lows in the upper 40s. Light and variable Winds.
Harper Temperature Statistics
October Temperature
Washington (20.5 miles)
Lowest 17 October, 2026
32 °FAverage October
61.4 °FHighest 10 October, 2026
86 °F
Climate (2021–2026)
Washington (20.5 miles)
Average Low 2021–2026
41.6 °FAverage 2021–2026
52 °FAverage High 2021–2026
62.6 °F