7-Day Forecast Summary
7-Day Detailed Weather Forecast for Lake San Marcos
Tonight |
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Temperature: 61°F Wind Speed: 0 to 5 mph Wind Direction: SE Forecast: Mostly cloudy, with a low around 61. Southeast wind 0 to 5 mph. |
Wednesday |
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Temperature: 76°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of rain showers after 11am. Mostly sunny, with a high near 76. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
Wednesday Night |
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Temperature: 62°F Wind Speed: 5 mph Wind Direction: S Forecast: A chance of rain showers before 11pm, then showers and thunderstorms. Mostly cloudy, with a low around 62. South wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible. |
Thursday |
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Temperature: 68°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Showers and thunderstorms. Mostly cloudy, with a high near 68. South wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. |
Thursday Night |
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Temperature: 57°F Wind Speed: 5 mph Wind Direction: NW Forecast: A chance of rain showers before 5am. Mostly cloudy, with a low around 57. Northwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Friday |
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Temperature: 71°F Wind Speed: 0 to 5 mph Wind Direction: W Forecast: Mostly sunny, with a high near 71. |
Friday Night |
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Temperature: 56°F Wind Speed: 0 to 5 mph Wind Direction: N Forecast: Mostly clear, with a low around 56. |
Saturday |
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Temperature: 77°F Wind Speed: 0 to 5 mph Wind Direction: N Forecast: Sunny, with a high near 77. |
Saturday Night |
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Temperature: 59°F Wind Speed: 0 to 5 mph Wind Direction: N Forecast: Mostly clear, with a low around 59. |
Sunday |
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Temperature: 80°F Wind Speed: 0 to 10 mph Wind Direction: NW Forecast: Mostly sunny, with a high near 80. |
Sunday Night |
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Temperature: 60°F Wind Speed: 5 mph Wind Direction: N Forecast: Partly cloudy, with a low around 60. |
Monday |
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Temperature: 82°F Wind Speed: 0 to 5 mph Wind Direction: NW Forecast: Sunny, with a high near 82. |
Monday Night |
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Temperature: 60°F Wind Speed: 5 mph Wind Direction: NE Forecast: Mostly clear, with a low around 60. |
Tuesday |
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Temperature: 80°F Wind Speed: 5 mph Wind Direction: W Forecast: Mostly sunny, with a high near 80. |

