News Headlines
- New: August-October 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected To Continue; Could Turn Wetter Towards The Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- Notice: Rio Grande City NOAA Weather Radio Remains Out of Service Until Further Notice
- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2026 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.
Fair
77°F
25°C
| Humidity | 71% |
| Wind Speed | SW 9 mph |
| Barometer | 29.86 in (1011.0 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 3 Aug 1:52 am CDT |
Extended Forecast for
Port Mansfield TX
Overnight

Low: 80 °F
Partly Cloudy
Monday
High: 90 °F
Mostly Sunny
then Sunny
and BreezyMonday Night
Low: 81 °F
Mostly Clear
and Breezy
then Mostly
ClearTuesday
High: 90 °F
Mostly Sunny
then Sunny
and BreezyTuesday Night
Low: 81 °F
Mostly Clear
and Breezy
then Mostly
ClearWednesday
High: 89 °F
Sunny then
Sunny and
BreezyWednesday Night

Low: 81 °F
Mostly Clear
Thursday
High: 89 °F
Sunny then
Sunny and
BreezyThursday Night

Low: 80 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 80. South wind around 8 mph.
Monday
Sunny, with a high near 90. Heat index values as high as 106. Breezy, with a southeast wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Mostly clear, with a low around 81. Breezy, with a south wind 11 to 20 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 90. Heat index values as high as 106. Breezy, with a southeast wind 11 to 21 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 81. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 89. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 81. Southeast wind 10 to 17 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 89. Breezy, with a south southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 80. South southeast wind 7 to 17 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 90. East southeast wind 6 to 15 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 80. East southeast wind 5 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 80.
Sunday
Sunny, with a high near 90.
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
2:45 am CDT Aug 3, 2026
2am CDT Aug 3, 2026-6pm CDT Aug 9, 2026


