Alton Lake, TX 7-Day Weather Forecast
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Alton Lake Weather Forecast


Alton Lake, TX Weather Forecast Date: 618 PM CDT Sat Aug 08 2026
Weather forecast for Alton Lake, TX
| Tonight Lo: 71°F Lo: 22°C |
Tonight... Partly cloudy with a 20% chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the lower 70s. South winds around 5 mph. |
| Sun Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Sunday... Sunny. Highs in the mid 90s. South winds around 5 mph. |
| Mon Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Monday... Sunny with highs in the mid 90s. South winds around 5 mph. Heat index values up to 106. |
| Tue Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Tuesday... Sunny. Highs in the upper 90s. Heat index values up to 105. |
| Wed Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Wednesday... Sunny, hot with highs in the upper 90s. Heat index values up to 110 in the afternoon. |
| Thu Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Thursday... Sunny, hot with highs in the upper 90s. Heat index values up to 110 in the afternoon. |
| Fri Hi: 99°FHi: 37°C Lo: 75°F Lo: 24°C |
Friday... Partly sunny in the morning, then clearing. Hot with highs in the upper 90s. Heat index values up to 110 in the afternoon. |
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