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Brunswick, IN Weather Forecast
Brunswick, IN Weather Forecast Date: 925 AM CDT Mon Oct 12 2026
The area/counties/county of: Lake County In, including the cities of: Gary, Hammond, and Merrillville.or toggle through each period.
Rest of Today... Mostly sunny. Highs in the upper 80s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
Tonight... Clear, warmer with lows around 70. Southwest winds 10 to 15 mph.
Tuesday... Sunny. Highs in the upper 80s. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph in the afternoon.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 60s. North winds around 5 mph. Chance of precipitation 80%.
Wednesday... Mostly cloudy. Showers likely, mainly in the morning. Not as warm with highs in the lower 70s. Northeast winds 5 to 10 mph, increasing to north 10 to 15 mph in the afternoon. Chance of precipitation 60%.
Wednesday Night... Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 50s. Chance of precipitation 40%.
Thursday... Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 80%.
Thursday Night... Mostly cloudy. A chance of showers, mainly in the evening. Lows in the upper 40s. Chance of precipitation 50%.
Friday... Mostly cloudy in the morning, then becoming partly cloudy. Breezy with highs in the upper 50s.
Friday Night... Partly cloudy. Lows in the upper 30s.
Saturday... Mostly sunny. Highs in the mid 50s.
Saturday Night... Clear. Lows in the upper 30s.
POP = Probability of Precipitation
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