Weather WorldSt. Mary School, IN 7-Day Night Weather Forecast
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St. Mary School, IN Weather Forecast
St. Mary School, IN Weather Forecast Date: 705 PM CDT Mon Aug 03 2026
The area/counties/county of: Lake County In, including the cities of: Gary, Hammond, and Merrillville.or toggle through each period.
Tonight... Clear. Patchy fog late. Lows in the lower 60s. East winds around 5 mph in the evening, becoming light and variable.
Tuesday... Mostly sunny. Highs in the lower 80s. South winds around 5 mph.
Tuesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. South winds around 5 mph.
Wednesday... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs around 80. Southwest winds around 5 mph. Chance of precipitation 50%.
Wednesday Night... Showers with a chance of thunderstorms. Humid with lows in the upper 60s. Southwest winds around 5 mph. Chance of precipitation 90%.
Thursday... Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 70%.
Thursday Night... Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows around 60. Chance of precipitation 20%.
Friday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s.
Friday Night... Mostly clear. Lows in the lower 60s.
Saturday... Partly cloudy. Highs in the lower 80s.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
Sunday... Partly cloudy. Highs in the mid 80s.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. A chance of showers. Lows in the upper 60s. Chance of precipitation 30%.
POP = Probability of Precipitation
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