Weather WorldMountain Island Lake, NC 7-Day Night Weather Forecast
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Mountain Island Lake, NC Weather Forecast
Mountain Island Lake, NC Weather Forecast Date: 711 PM EDT Fri Aug 07 2026
The area/counties/county of: Gaston, including the city of Gastonia.or toggle through each period.
Tonight... Partly cloudy. Lows in the lower 70s. South winds around 5 mph.
Saturday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Southwest winds around 5 mph. Chance of rain 30%.
Saturday Night... Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 40%.
Sunday... Mostly sunny. Humid with highs in the lower 90s. Southwest winds around 5 mph. Heat index values up to 101 in the afternoon.
Sunday Night... Partly cloudy. Lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable.
Monday... Sunny. Highs in the lower 90s. Heat index values up to 100.
Monday Night... Partly cloudy. Lows in the lower 70s.
Tuesday... Mostly sunny. Highs in the lower 90s. Heat index values up to 100.
Tuesday Night... Partly cloudy. Lows in the lower 70s.
Wednesday... Mostly sunny. Highs in the lower 90s. Heat index values up to 100.
Wednesday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 70s.
Thursday... Mostly sunny. Highs in the lower 90s. Heat index values up to 100.
Thursday Night... Mostly cloudy. Lows in the lower 70s.
POP = Probability of Precipitation
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