Lake Forest Weather Forecast
- 46
- 67
Mostly Sunny
- 54
- 76
Rain Showers Likely
- 49
- 72
Rain Showers Likely
- 39
- 59
Chance Rain Showers
- 38
- 56
Partly Sunny
- 38
- 55
Slight Chance Rain Showers
- 38
- 56
Partly Sunny
Today 26 Apr Summit
Partly cloudy. Highs in the upper 60s. East Winds 5 to 10 Mph.
Tonight 26 Apr Summit
Mostly clear. Lows in the mid 40s. East Winds 5 to 10 Mph.
Lake Forest Temperature Statistics
April Temperature
Portage County Airport (11.2 miles)
Lowest 8 April, 2026
20.3 °FAverage April
53.5 °FHighest 4 April, 2026
79.9 °F
Climate (2021–Present)
Portage County Airport (11.2 miles)
Average Low 2021–2026
40.4 °FAverage 2021–2026
49.9 °FAverage High 2021–2026
59.9 °F