Appleton Weather Forecast
- 58
- 79
Partly Sunny
- 62
- 82
Partly Sunny
- 49
- 74
Rain Showers Likely
- 48
- 73
Partly Sunny
- 54
- 74
Mostly Cloudy
- 49
- 71
Rain Showers Likely
Today 22 Apr Knox
Mostly sunny. Highs in the upper 70s. Southwest Winds 5 to 10 Mph.
Tonight 22 Apr Knox
Mostly clear. Lows in the upper 50s. South Winds 5 to 10 Mph.
Appleton Temperature Statistics
April Temperature
Galesburg Municipal Airport (13.7 miles)
Lowest 5 April, 2026
32.9 °FAverage April
53.7 °FHighest 17 April, 2026
82.8 °F
Climate (2021–Present)
Galesburg Municipal Airport (13.7 miles)
Average Low 2021–2026
41.6 °FAverage 2021–2026
51.9 °FAverage High 2021–2026
62.3 °F