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Harlingen, Texas Weather Forecast
Harlingen, Texas Weather
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Weather Forecast for Harlingen, Texas : Cameron County
Issued: 1:18 am CST Dec 22, 2025 Latitude: 26.1906306 Longitude: -97.6961026 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Christmas Day Friday Saturday Sunday
Patchy Fog on Overnight 20% chance of thunderstorms on Monday 20% chance of  on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Christmas Day Mostly Sunny on Friday Mostly Sunny on Saturday 20% chance of  on Sunday
Low: 69°F High: 84°F High: 83°F High: 83°F High: 84°F High: 85°F High: 84°F High: 82°F
Low: 67°F Low: 65°F Low: 65°F Low: 65°F Low: 66°F Low: 64°F  
Patchy Fog Thunderstorms Partly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
HARLINGEN - (KHRL)
68°
Cloudy
Fog
as of 12:52 AM CST
Rel. Humidity: 100%
Dew Point: 68°F
Visibility: 1/4 Miles
Pressure: 30.15 in.
Flight Rule: IFR
Wind Data
5 MPH
090° East
Current Conditions at
PORT ISABEL - (KPIL)
73°
Clear
Fog
as of 12:53 AM CST
Rel. Humidity: 100%
Dew Point: 73°F
Visibility: 1/4 Miles
Pressure: 30.16 in.
Flight Rule: IFR
Wind Data
8 MPH
130° Southeast
Current Conditions at
BROWNSVILLE - (KBRO)
73°
Mostly Cloudy
as of 12:53 AM CST
Rel. Humidity: 94%
Dew Point: 72°F
Visibility: 7 Miles
Pressure: 30.15 in.
Flight Rule: LIFR
Wind Data
5 MPH
080° East
Cloud Level(s): Broken at 400ft
Patchy Fog on Overnight Overnight... Patchy fog. Otherwise, mostly cloudy, with a low around 69. Light southeast wind.

20% chance of thunderstorms Monday Monday... A slight chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after noon. Patchy fog before 9am. Otherwise, partly sunny, with a high near 84. Light southeast wind becoming east southeast 5 to 10 mph in the morning. Chance of precipitation is 20%.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 67. Southeast wind 3 to 8 mph.

20% chance of  Tuesday Tuesday... A 20 percent chance of showers after noon. Partly sunny, with a high near 83. Light east southeast wind becoming southeast 5 to 10 mph in the morning.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 65. East southeast wind 3 to 8 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 83. Light east southeast wind becoming southeast 5 to 9 mph in the morning.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 65. Southeast wind 3 to 8 mph.

Mostly Sunny on Christmas Day Christmas Day... Mostly sunny, with a high near 84. Light east southeast wind becoming south southeast 5 to 9 mph in the morning.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 65. South southeast wind 5 to 8 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 85. South southeast wind 5 to 11 mph, with gusts as high as 20 mph.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 66. South southeast wind 8 to 10 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 84.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 64.

20% chance of  Sunday Sunday... A 20 percent chance of showers. Partly sunny, with a high near 82.

Current Radar Image


Sun Almanac for Harlingen, Texas
Sunrise: 07:15 AM
Sunset: 5:45 PM
Civil Sunrise:06:49 AM
Civil Sunset: 6:10 PM
Nautical Sunrise: 06:21 AM
Nautical Sunset: 6:39 PM
Astro Sunrise: 05:52 AM
Astro Sunset: 7:07 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.