Indiana Dunes National Lakeshore Weather Forecast
- 62
- 74
Mostly Sunny
- 64
- 79
Mostly Sunny
- 67
- 81
Partly Sunny
- 68
- 82
Slight Chance Thunderstorms
- 69
- 84
Slight Chance Thunderstorms
- 71
- 85
Slight Chance Thunderstorms
Today 2 Aug Porter
Partly cloudy. Highs in the mid 70s. Northeast Winds 5 to 10 Mph.
Tonight 2 Aug Porter
Mostly clear. Lows in the mid 50s. Northeast Winds 5 to 10 Mph in the Evening, becoming light and variable.
Indiana Dunes National Lakeshore Temperature Statistics
August Temperature
Michigan City Municipal Airport (11.8 miles)
Lowest
–Average August
–Highest
–
Climate (2020–Present)
Michigan City Municipal Airport (11.8 miles)
Average Low 2020–2025
42 °FAverage 2020–2025
50.8 °FAverage High 2020–2025
59.1 °F