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Sunnyside Park, IN 7-Day Night Weather Forecast
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Sunnyside Park, IN Weather Forecast
Sunnyside Park, IN Weather Forecast Date: 916 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 Today... Sunny late in the morning, then becoming partly cloudy. Highs in the mid 70s. North winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
Tonight... Mostly clear. Lows in the mid 50s. Northwest winds around 5 mph, becoming west after midnight.
Monday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. 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... Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. South winds around 5 mph.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s.
Wednesday... Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 40%.
Wednesday Night... Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 40%.
Thursday... Mostly sunny in the morning, then becoming 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 around 60.
POP = Probability of Precipitation
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