7-Day Forecast Summary
7-Day Detailed Weather Forecast for Port Lavaca
Columbus Day |
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Temperature: 90°F Wind Speed: 14 mph Wind Direction: SSE Forecast: A chance of showers and thunderstorms before 5pm. Mostly sunny, with a high near 90. Heat index values as high as 108. South southeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
Tonight |
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Temperature: 78°F Wind Speed: 8 to 13 mph Wind Direction: SSE Forecast: Partly cloudy, with a low around 78. Heat index values as high as 101. South southeast wind 8 to 13 mph, with gusts as high as 18 mph. New rainfall amounts less than a tenth of an inch possible. |
Tuesday |
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Temperature: 91°F Wind Speed: 8 to 16 mph Wind Direction: SSE Forecast: A slight chance of rain showers between 10am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 111. South southeast wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
Tuesday Night |
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Temperature: 78°F Wind Speed: 9 to 14 mph Wind Direction: SSE Forecast: Mostly clear, with a low around 78. Heat index values as high as 101. South southeast wind 9 to 14 mph, with gusts as high as 22 mph. |
Wednesday |
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Temperature: 89°F Wind Speed: 9 to 16 mph Wind Direction: SE Forecast: Mostly sunny, with a high near 89. Southeast wind 9 to 16 mph, with gusts as high as 23 mph. |
Wednesday Night |
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Temperature: 76°F Wind Speed: 8 to 16 mph Wind Direction: SE Forecast: Mostly clear, with a low around 76. Southeast wind 8 to 16 mph, with gusts as high as 22 mph. |
Thursday |
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Temperature: 89°F Wind Speed: 8 to 13 mph Wind Direction: SE Forecast: Sunny, with a high near 89. Southeast wind 8 to 13 mph. |
Thursday Night |
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Temperature: 74°F Wind Speed: 6 to 12 mph Wind Direction: ENE Forecast: Mostly clear, with a low around 74. East northeast wind 6 to 12 mph. |
Friday |
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Temperature: 85°F Wind Speed: 10 to 20 mph Wind Direction: NE Forecast: A chance of rain showers after 7am. Sunny, with a high near 85. Northeast wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. |
Friday Night |
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Temperature: 67°F Wind Speed: 20 to 25 mph Wind Direction: NNE Forecast: A chance of rain showers before 7pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%. |
Saturday |
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Temperature: 79°F Wind Speed: 14 to 23 mph Wind Direction: NNE Forecast: Sunny, with a high near 79. |
Saturday Night |
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Temperature: 64°F Wind Speed: 8 to 13 mph Wind Direction: NNE Forecast: Mostly clear, with a low around 64. |
Sunday |
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Temperature: 80°F Wind Speed: 8 to 12 mph Wind Direction: ENE Forecast: Sunny, with a high near 80. |
Sunday Night |
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Temperature: 69°F Wind Speed: 5 to 8 mph Wind Direction: ENE Forecast: A slight chance of rain showers after 7pm. Mostly clear, with a low around 69. |

