Weather in San Marcos, Texas, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for San Marcos
Tonight |
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Temperature: 70°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible. |
Thursday |
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Temperature: 88°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Showers and thunderstorms. Mostly cloudy, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible. |
Thursday Night |
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Temperature: 75°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South southeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible. |
Friday |
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Temperature: 91°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. |
Friday Night |
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Temperature: 75°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph. Chance of precipitation is 30%. |
Saturday |
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Temperature: 92°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. South wind 5 to 10 mph. Chance of precipitation is 30%. |
Saturday Night |
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Temperature: 74°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: A chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 74. South southeast wind 5 to 10 mph. Chance of precipitation is 30%. |
Sunday |
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Temperature: 92°F Wind Speed: 5 mph Wind Direction: SSE Forecast: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. South southeast wind around 5 mph. Chance of precipitation is 30%. |
Sunday Night |
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Temperature: 74°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph. Chance of precipitation is 30%. |
Monday |
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Temperature: 93°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. Chance of precipitation is 20%. |
Monday Night |
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Temperature: 75°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Chance of precipitation is 20%. |
Tuesday |
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Temperature: 95°F Wind Speed: 5 to 10 mph Wind Direction: S Forecast: Mostly sunny, with a high near 95. |
Tuesday Night |
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Temperature: 76°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: Partly cloudy, with a low around 76. |
Wednesday |
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Temperature: 94°F Wind Speed: 5 to 10 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. |