Merrillville Weather Forecast
- 35
- 51
Partly Sunny
- 36
- 59
Mostly Sunny
- 44
- 62
Mostly Sunny
- 39
- 62
Partly Sunny
- 37
- 56
Mostly Cloudy
- 35
- 52
Slight Chance Rain
Today 7 Nov Lake
Mostly sunny in the Morning, then becoming partly cloudy. Highs in the lower 50s. West Winds 5 to 10 Mph.
Tonight 7 Nov Lake
Partly cloudy. Lows in the lower 30s. Southwest Winds 5 to 10 Mph.
Merrillville Temperature Statistics
November Temperature
Gary Regional Airport (9.3 miles)
Lowest 1 November, 2026
51.8 °FAverage November
61.7 °FHighest 3 November, 2026
75.2 °F
Climate (2021–2026)
Gary Regional Airport (9.3 miles)
Average Low 2021–2026
44 °FAverage 2021–2026
51.8 °FAverage High 2021–2026
61.5 °F