Clarksville, Texas Weather
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Weather Forecast for Clarksville, Texas : Cameron County
Issued: 3:30 pm CDT Sep 14, 2025 Latitude: 25.9575806 Longitude: -97.1527481 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Sunny on This Afternoon 30% chance of thunderstorms on Tonight 40% chance of thunderstorms on Monday 50% chance of thunderstorms on Tuesday 60% chance of thunderstorms on Wednesday 60% chance of thunderstorms on Thursday 60% chance of thunderstorms on Friday 50% chance of thunderstorms on Saturday
High: 90°F Low: 79°F High: 89°F High: 89°F High: 89°F High: 88°F High: 89°F High: 89°F
Low: 79°F Low: 78°F Low: 78°F Low: 79°F Low: 79°F  
Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
BROWNSVILLE - (KBRO)
90°
Feels like 96°F
Mostly Clear
as of 2:53 PM CDST
Rel. Humidity: 55%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
14 MPH
100° East
Cloud Level(s): Few at 4300ft
Current Conditions at
PORT ISABEL - (KPIL)
90°
Feels like 96°F
Clear
as of 2:53 PM CDST
Rel. Humidity: 55%
Dew Point: 72°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
13 MPH
120° Southeast
Cloud Level(s): Clear
Current Conditions at
HARLINGEN - (KHRL)
93°
Feels like 98°F
Mostly Clear
as of 2:52 PM CDST
Rel. Humidity: 46%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 25 MPH
120° Southeast
Cloud Level(s): Few at 5000ft
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 90. East southeast wind around 14 mph.
30% chance of thunderstorms Tonight Tonight... A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 79. East southeast wind 6 to 13 mph. Chance of precipitation is 30%.
40% chance of thunderstorms Monday Monday... A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then a chance of showers after 4pm. Mostly sunny, with a high near 89. East wind 6 to 14 mph. Chance of precipitation is 40%.
40% chance of thunderstorms Monday Night Monday Night... A chance of showers between 7pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 79. East wind 6 to 13 mph. Chance of precipitation is 40%.
50% chance of thunderstorms Tuesday Tuesday... A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Sunny, with a high near 89. East northeast wind 6 to 13 mph. Chance of precipitation is 50%.
60% chance of thunderstorms Tuesday Night Tuesday Night... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 78. East wind 5 to 10 mph. Chance of precipitation is 60%.
60% chance of thunderstorms Wednesday Wednesday... Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. East wind 5 to 10 mph. Chance of precipitation is 60%.
50% chance of thunderstorms Wednesday Night Wednesday Night... A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. East southeast wind 5 to 10 mph.
60% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 88. East wind 5 to 10 mph. Chance of precipitation is 60%.
50% chance of thunderstorms Thursday Night Thursday Night... A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 79. East southeast wind 5 to 10 mph. Chance of precipitation is 50%.
60% chance of thunderstorms Friday Friday... Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. East wind 5 to 10 mph. Chance of precipitation is 60%.
50% chance of thunderstorms Friday Night Friday Night... A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
50% chance of thunderstorms Saturday Saturday... A 50 percent chance of showers and thunderstorms. Sunny, with a high near 89.
Sun Almanac for Clarksville, Texas
Sunrise: 07:14 AM
Sunset: 7:34 PM
Civil Sunrise:06:51 AM
Civil Sunset: 7:57 PM
Nautical Sunrise: 06:24 AM
Nautical Sunset: 8:24 PM
Astro Sunrise: 05:57 AM
Astro Sunset: 8:51 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.