Illinois Beach State Park Weather Forecast
- 31
- 47
Mostly Sunny
- 39
- 43
Mostly Cloudy
- 37
- 53
Mostly Cloudy
- 39
- 44
Rain Showers Likely
- 36
- 47
Rain Showers
- 33
- 44
Slight Chance Rain/Snow
Today 28 Mar Lake
Mostly sunny. Highs in the upper 40s. West Winds 10 to 15 Mph.
Tonight 28 Mar Lake
Mostly clear. Lows in the upper 20s. North Winds around 5 Mph.
Illinois Beach State Park Temperature Statistics
March Temperature
Chicago/Waukegan Regional Airport (2.5 miles)
Lowest 21 March, 2024
22.7 °FAverage March
41.7 °FHighest 12 March, 2024
72.6 °F
Climate (2019–Present)
Chicago/Waukegan Regional Airport (2.5 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
41.9 °FAverage 2019–2024
50.3 °FAverage High 2019–2024
58.5 °F