Weather World
San Antonio Lake, TX 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
San Antonio Lake Weather Forecast
San Antonio Lake, TX Weather Forecast Date: 1144 AM CDT Tue Sep 01 2026
Weather forecast for San Antonio Lake, TX
Today Hi: 99°FHi: 37°C Lo: 71°F Lo: 22°C |
Rest of Today... Sunny late this morning, then becoming partly sunny. A chance of showers and thunderstorms this afternoon. Some thunderstorms May produce heavy rainfall this afternoon. Hot with highs in the upper 90s. Northeast winds 5 to 10 mph. Chance of rain 30%. Heat index values up to 106. |
| Wed Hi: 90°FHi: 32°C Lo: 75°F Lo: 24°C |
Wednesday... A chance of thunderstorms. Showers. Some thunderstorms May produce heavy rainfall. Locally heavy rainfall possible. Highs around 90. Southwest winds 5 to 10 mph, becoming southeast in the afternoon. Chance of rain 90%. |
| Thu Hi: 91°FHi: 33°C Lo: 71°F Lo: 22°C |
Thursday... Partly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southeast winds around 5 mph. Chance of rain 50%. |
Fri Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Friday... Sunny. Highs in the mid 90s. Heat index values up to 110 in the afternoon. |
| Sat Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Saturday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30%. Heat index values up to 110. |
| Sun Hi: 95°FHi: 35°C Lo: 75°F Lo: 24°C |
Sunday... Sunny, hot with highs in the mid 90s. Heat index values up to 110. |
| Labor Day Hi: 95°FHi: 35°C |
Labor Day... Sunny, hot with highs in the mid 90s. Heat index values up to 110. |
San Antonio Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...