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Trouthaven Lake, IN 7-Day Night Weather Forecast
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Trouthaven Lake, IN Weather Forecast
Trouthaven Lake, IN Weather Forecast Date: 1206 AM CDT Sun Aug 23 2026
The area/counties/county of: Lake County In, including the cities of: Gary, Hammond, and Merrillville.or toggle through each period.
Rest of Tonight... Mostly clear. Lows in the upper 50s. Northwest winds around 5 mph.
Sunday... Sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. Northwest winds 5 to 10 mph.
Sunday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 50s. Northwest winds around 5 mph, becoming southwest after midnight.
Monday... Partly cloudy. Highs in the upper 70s inland, but only in the lower 70s near the lake. West winds around 5 mph, becoming north in the afternoon.
Monday Night... Mostly clear. Lows in the mid 50s. East winds around 5 mph, becoming south after midnight.
Tuesday... Partly cloudy. Highs in the upper 70s.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. A 20% chance of showers. Lows in the lower 60s.
Wednesday... Partly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 30%.
Wednesday Night... Partly cloudy. A chance of showers in the evening. Lows in the mid 60s. Chance of precipitation 30%.
Thursday... Partly cloudy. Highs around 80.
Thursday Night... Mostly clear. Lows in the lower 60s.
Friday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
POP = Probability of Precipitation
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