News Headlines
- 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.
Overcast
72°F
22°C
| Humidity | 87% |
| Wind Speed | NW 5 mph |
| Barometer | 30.13 in (1020.0 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 11:52 pm CDT |
Extended Forecast for
Port Mansfield TX
Overnight

Low: 73 °F
Partly Cloudy
Tuesday

High: 83 °F
Sunny
Tuesday Night

Low: 72 °F
Slight Chance
ShowersWednesday

High: 83 °F
Chance
ShowersWednesday Night

Low: 75 °F
Chance
ShowersThursday

High: 82 °F
Sunny
Thursday Night

Low: 70 °F
Clear
Friday

High: 82 °F
Sunny
Friday Night

Low: 72 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 73. East northeast wind 10 to 13 mph.
Tuesday
Sunny, with a high near 83. North northeast wind 9 to 16 mph, with gusts as high as 22 mph.
Tuesday Night
A slight chance of showers before midnight, then a slight chance of showers after 5am. Partly cloudy, with a low around 72. North northeast wind 8 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. North northwest wind 9 to 13 mph becoming east northeast in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A 40 percent chance of showers, mainly before 10pm. Partly cloudy, with a low around 75. East wind 7 to 13 mph.
Thursday
Sunny, with a high near 82. East northeast wind 8 to 13 mph.
Thursday Night
Clear, with a low around 70. East southeast wind 6 to 10 mph.
Friday
Sunny, with a high near 82. East southeast wind 5 to 11 mph.
Friday Night
Mostly clear, with a low around 72. Southeast wind around 11 mph.
Saturday
Mostly sunny, with a high near 82. East southeast wind 10 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 74. East southeast wind 13 to 15 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 73.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Port Mansfield TX
26.56°N 97.43°W
26.56°N 97.43°W
12:30 am CDT Oct 20, 2026
12am CDT Oct 20, 2026-6pm CDT Oct 26, 2026


