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Rainbow Lake, TX 7-Day Night Weather Forecast
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Rainbow Lake, TX Weather Forecast
Rainbow Lake, TX Weather Forecast Date: 616 PM CDT Sat Aug 15 2026
The area/counties/county of: Rockwall, including the cities of: Rockwall and Heath.or toggle through each period.
Tonight... Clear. Lows in the upper 70s. South winds 5 to 10 mph.
Sunday... Sunny, hot with highs around 102. Southwest winds 5 to 10 mph.
Sunday Night... Clear. Lows in the upper 70s. South winds 5 to 10 mph.
Monday... Sunny, hot with highs around 103. Southwest winds around 5 mph. Heat index values up to 105.
Monday Night... Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.
Tuesday... Sunny, hot with highs around 100. Heat index values up to 105.
Tuesday Night... Clear. Lows in the upper 70s.
Wednesday... Sunny, hot with highs around 100. Heat index values up to 110 in the afternoon.
Wednesday Night... Clear. Lows in the upper 70s.
Thursday... Sunny, hot with highs around 100. Heat index values up to 110 in the afternoon.
Thursday Night... Mostly clear. Lows in the upper 70s.
Friday... Sunny, hot with highs around 100. Heat index values up to 110 in the afternoon.
Friday Night... Mostly clear. A 20% chance of showers after midnight. Lows in the upper 70s.
POP = Probability of Precipitation
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