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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: 126 PM CDT Tue Aug 18 2026
The area/counties/county of: Lake County In, including the cities of: Gary, Hammond, and Merrillville.or toggle through each period.
This Afternoon... Mostly cloudy. A slight chance of showers and thunderstorms late. Near steady temperature in the upper 70s. Southwest winds around 10 mph. Chance of precipitation 20%.
Tonight... Mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight. Lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of precipitation 50%.
Wednesday... Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 70s. North winds 5 to 10 mph. Chance of precipitation 20%.
Wednesday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. Northeast winds around 5 mph.
Thursday... Mostly sunny. Highs in the upper 70s. Northeast winds around 5 mph.
Thursday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
Friday... Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 20%.
Friday Night... A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the lower 60s. Chance of precipitation 40%.
Saturday... Partly cloudy. Highs in the mid 70s.
Saturday Night... Mostly clear. Lows in the upper 50s.
Sunday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s.
Sunday Night... Partly cloudy. Lows in the mid 50s.
POP = Probability of Precipitation
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