News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- October 1-7 Rainfall Improves Long-Term Drought, but Severe to Extreme Conditions Remain for Some. Click Here for Details.
- New: 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
77°F
25°C
| Humidity | 94% |
| Wind Speed | SE 6 mph |
| Barometer | 29.96 in (1014.5 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 12 Oct 1:52 am CDT |
Extended Forecast for
Port Mansfield TX
Overnight

Low: 77 °F
Mostly Clear
Columbus Day

High: 89 °F
Sunny
Monday Night

Low: 78 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny then
Sunny and
BreezyTuesday Night

Low: 78 °F
Mostly Clear
Wednesday

High: 88 °F
Sunny and
BreezyWednesday Night
Low: 76 °F
Mostly Clear
and Breezy
then Mostly
ClearThursday

High: 86 °F
Sunny
Thursday Night

Low: 74 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 77. Southeast wind around 10 mph.
Columbus Day
Sunny, with a high near 89. Heat index values as high as 106. South southeast wind 8 to 16 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 78. Southeast wind 11 to 14 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 91. Heat index values as high as 109. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 78. Southeast wind 13 to 17 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 88. Breezy, with a southeast wind 11 to 21 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 76. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 86. Southeast wind 11 to 16 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 74. East wind 5 to 11 mph, with gusts as high as 20 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Breezy, with a north northeast wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. Breezy, with a north wind 20 to 26 mph, with gusts as high as 38 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 76. Breezy.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Port Mansfield TX
26.56°N 97.45°W
26.56°N 97.45°W
2:30 am CDT Oct 12, 2026
2am CDT Oct 12, 2026-6pm CDT Oct 18, 2026


