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Clarksville, Texas Weather Forecast
Clarksville, Texas Weather
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Weather Forecast for Clarksville, Texas : Cameron County
Issued: 8:30 pm CST Dec 18, 2025 Latitude: 25.9575806 Longitude: -97.1527481 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Christmas Day
Mostly Cloudy on Tonight Sunny on Friday Sunny on Saturday Mostly Sunny on Sunday 20% chance of rain on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Christmas Day
Low: 64°F High: 74°F High: 78°F High: 79°F High: 77°F High: 78°F High: 78°F High: 77°F
Low: 64°F Low: 68°F Low: 66°F Low: 67°F Low: 67°F Low: 66°F  
Mostly Cloudy Sunny Sunny Mostly Sunny Rain Sunny Sunny Sunny
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Current Conditions at
BROWNSVILLE - (KBRO)
72°
Clear
Mist
as of 7:53 PM CST
Rel. Humidity: 88%
Dew Point: 68°F
Visibility: 6 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
PORT ISABEL - (KPIL)
66°
Clear
Mist
as of 7:53 PM CST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 6 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
5 MPH
120° Southeast
Cloud Level(s): Clear
Current Conditions at
HARLINGEN - (KHRL)
66°
Clear
Mist
as of 7:52 PM CST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 6 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
5 MPH
070° East
Cloud Level(s): Clear
Mostly Cloudy on Tonight Tonight... Mostly cloudy, then becoming clear toward daybreak, with a low around 64. Breezy, with an east southeast wind 5 to 10 mph becoming north northeast 18 to 23 mph after midnight.

Sunny on Friday Friday... Sunny, with a high near 74. Northeast wind 7 to 11 mph, with gusts as high as 22 mph.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 64. East northeast wind around 6 mph becoming south after midnight.

Sunny on Saturday Saturday... Sunny, with a high near 78. South wind 6 to 14 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 68. South wind 7 to 10 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 79. South wind 6 to 10 mph.

20% chance of thunderstorms Sunday Night Sunday Night... A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 66. Southeast wind 3 to 7 mph.

20% chance of rain Monday Monday... A 20 percent chance of showers. Mostly sunny, with a high near 77. Light southeast wind increasing to 5 to 10 mph in the morning.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 67. Southeast wind 6 to 8 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 78. Southeast wind 6 to 10 mph.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 67. Southeast wind 5 to 8 mph.

Sunny on Wednesday Wednesday... Sunny, with a high near 78.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 66.

Sunny on Christmas Day Christmas Day... Sunny, with a high near 77.

Sun Almanac for Clarksville, Texas
Sunrise: 07:10 AM
Sunset: 5:41 PM
Civil Sunrise:06:45 AM
Civil Sunset: 6:06 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 6:35 PM
Astro Sunrise: 05:48 AM
Astro Sunset: 7:03 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.