7-Day Forecast Summary
7-Day Detailed Weather Forecast for Harlingen
This Afternoon |
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Temperature: 91°F Wind Speed: 12 to 15 mph Wind Direction: E Forecast: Showers and thunderstorms likely before 3pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 91. East wind 12 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. |
Tonight |
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Temperature: 79°F Wind Speed: 6 to 15 mph Wind Direction: ESE Forecast: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 4am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 79. East southeast wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible. |
Sunday |
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Temperature: 92°F Wind Speed: 6 to 14 mph Wind Direction: SE Forecast: A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 8am and 10am, then a chance of showers and thunderstorms between 10am and 11am, then showers and thunderstorms likely between 11am and 1pm, then a chance of showers and thunderstorms between 1pm and 5pm. Partly sunny, with a high near 92. Heat index values as high as 105. Southeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
Sunday Night |
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Temperature: 78°F Wind Speed: 8 to 14 mph Wind Direction: SE Forecast: A slight chance of rain showers between midnight and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southeast wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. |
Monday |
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Temperature: 90°F Wind Speed: 9 mph Wind Direction: SE Forecast: Showers and thunderstorms. Partly sunny, with a high near 90. Southeast wind around 9 mph. Chance of precipitation is 80%. |
Monday Night |
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Temperature: 76°F Wind Speed: 6 to 9 mph Wind Direction: SE Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind 6 to 9 mph. Chance of precipitation is 80%. |
Tuesday |
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Temperature: 86°F Wind Speed: 5 to 8 mph Wind Direction: SE Forecast: Showers and thunderstorms. Mostly cloudy, with a high near 86. Southeast wind 5 to 8 mph. Chance of precipitation is 90%. |
Tuesday Night |
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Temperature: 76°F Wind Speed: 8 mph Wind Direction: SSE Forecast: Showers and thunderstorms. Mostly cloudy, with a low around 76. South southeast wind around 8 mph. Chance of precipitation is 80%. |
Wednesday |
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Temperature: 90°F Wind Speed: 8 to 13 mph Wind Direction: SSE Forecast: Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 90. South southeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. |
Wednesday Night |
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Temperature: 79°F Wind Speed: 13 mph Wind Direction: SSE Forecast: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 79. South southeast wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. |
Thursday |
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Temperature: 95°F Wind Speed: 12 to 17 mph Wind Direction: SSE Forecast: A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 95. South southeast wind 12 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. |
Thursday Night |
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Temperature: 82°F Wind Speed: 17 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. Chance of precipitation is 20%. |
Juneteenth |
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Temperature: 95°F Wind Speed: 17 mph Wind Direction: SSE Forecast: A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 95. Chance of precipitation is 20%. |
Friday Night |
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Temperature: 82°F Wind Speed: 13 to 16 mph Wind Direction: SE Forecast: Partly cloudy, with a low around 82. |

