News Headlines
- New: Summer (June-August) 2025 Review: Still Hot with "Just-in-Time" Rains that Kept Drought to a Minimum
- New: Autumn (September-November) Outlook - Early Rains? Otherwise, Warm/Hot and Generally Dry for Most of the Season
- Check Out the 2025 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2025 del Valle del Rio Grande/Extremo Sur de Texas
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
A Few Clouds
87°F
31°C
| Humidity | 70% |
| Wind Speed | E 16 G 24 mph |
| Barometer | 29.93 in (1013.3 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 98°F (37°C) |
| Last update | 18 Sep 1:52 pm CDT |
Extended Forecast for
Port Mansfield TX
This Afternoon
High: 86 °F
Chance
T-stormsTonight
Low: 78 °F
Partly Cloudy
then Slight
Chance
ShowersFriday
High: 87 °F
Chance
ShowersFriday Night
Low: 78 °F
Slight Chance
ShowersSaturday
High: 87 °F
Chance
ShowersSaturday Night
Low: 78 °F
Chance
ShowersSunday
High: 87 °F
Chance
Showers then
Chance
T-stormsSunday Night
Low: 79 °F
Slight Chance
Showers then
Slight Chance
T-stormsMonday
High: 88 °F
Chance
Showers then
Chance
T-storms
Detailed Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 86. East wind around 14 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers between 4am and 5am. Partly cloudy, with a low around 78. East southeast wind 6 to 14 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms between 3pm and 4pm, then a slight chance of showers. Sunny, with a high near 87. East northeast wind 6 to 13 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of showers before 7pm, then a slight chance of showers after 1am. Mostly clear, with a low around 78. East wind 5 to 10 mph becoming light east southeast after midnight. Chance of precipitation is 20%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 87. East wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly clear, with a low around 78. East southeast wind 6 to 10 mph. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 10am. Sunny, with a high near 87. East southeast wind 6 to 13 mph. Chance of precipitation is 50%.
Sunday Night
A slight chance of showers, with thunderstorms also possible after 1am. Mostly clear, with a low around 79. East southeast wind 9 to 11 mph. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 88. East southeast wind 7 to 14 mph.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 80. Southeast wind 10 to 13 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Sunny, with a high near 88. East southeast wind 9 to 13 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly clear, with a low around 78.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 60%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Mansfield TX
26.56°N 97.43°W
26.56°N 97.43°W
2:00 pm CDT Sep 18, 2025
2pm CDT Sep 18, 2025-6pm CDT Sep 24, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
