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- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- Severe to Extreme Conditions Remain for Parts of the RGV/Ranchlands Headed into Late October. Click Here for Details.
- October-December2026 Outlook - After a brutally hot and dry September, October brings the pattern change to wetter and less hot, with above average rainfall to close out 2026; flash flooding, water supply, & hazardous marine conditions in focus
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Fair
82°F
28°C
| Humidity | 58% |
| Wind Speed | E 18 G 24 mph |
| Barometer | 30.09 in (1018.7 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 24 Oct 5:52 pm CDT |
Extended Forecast for
Port Mansfield TX
Tonight
Low: 75 °F
Increasing
CloudsSunday
High: 80 °F
Slight Chance
Showers then
Mostly CloudySunday Night
Low: 71 °F
Decreasing
CloudsMonday
High: 80 °F
Sunny then
Slight Chance
T-stormsMonday Night
Low: 72 °F
Slight Chance
T-storms then
Chance
ShowersTuesday
High: 80 °F
Showers
LikelyTuesday Night
Low: 72 °F
Slight Chance
T-stormsWednesday
High: 81 °F
Mostly Sunny
then Slight
Chance
T-stormsWednesday Night
Low: 72 °F
Partly Cloudy
then Slight
Chance
T-storms
Detailed Forecast
Tonight
Increasing clouds, with a low around 75. East southeast wind 13 to 17 mph, with gusts as high as 25 mph.
Sunday
A slight chance of showers between 11am and noon. Mostly cloudy, with a high near 80. East wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 71. East wind 6 to 14 mph.
Monday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 80. Light east northeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72. East southeast wind 6 to 9 mph.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. East southeast wind 6 to 11 mph. Chance of precipitation is 60%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. East southeast wind 6 to 10 mph. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. East wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. East wind around 9 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. East southeast wind 7 to 14 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 72. East southeast wind around 11 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Mostly sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Mansfield TX
26.56°N 97.43°W
26.56°N 97.43°W
5:45 pm CDT Oct 24, 2026
5pm CDT Oct 24, 2026-6pm CDT Oct 31, 2026
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