Gary Weather Forecast

    • 33
    • 42

    Rain

    • 20
    • 47

    Rain

    • 23
    • 29

    Mostly Cloudy

    • 24
    • 44

    Mostly Cloudy

    • 25
    • 32

    Mostly Cloudy

    • 32
    • 37

    Mostly Cloudy

Today 17 Dec Lake

Partly cloudy. Highs in the lower 40s. West Winds 5 to 10 Mph, becoming south in the afternoon.

Tonight 17 Dec Lake

Mostly cloudy. A chance of rain Showers and drizzle after midnight. Breezy with Lows in the lower 30s. Temperature rising to around 40 after midnight. South Winds 10 to 15 Mph, increasing to 15 to 20 Mph with Gusts up to 30 Mph after midnight. Chance of precipitation 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Gary Temperature Statistics

December Temperature

Gary Regional Airport (3.1 miles)

  • Lowest 14 December, 2025

    1.4 °F

  • Average December

    23.9 °F

  • Highest 10 December, 2025

    41 °F

Climate (2020–Present)

Gary Regional Airport (3.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    60.9 °F
Get WillyWeather+ to remove ads