News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- Rapid-Onset (Flash) Drought Continues to Increase Across the RGV/Deep S. Texas Ranchlands. Click Here for Details.
- 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
- 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
85°F
29°C
| Humidity | 80% |
| Wind Speed | S 7 mph |
| Barometer | 29.99 in (1015.6 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 97°F (36°C) |
| Last update | 28 Aug 8:52 am CDT |
Extended Forecast for
Port Mansfield TX
Today
High: 89 °F
Sunny
Tonight
Low: 80 °F
Mostly Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 80 °F
Mostly Clear
Sunday
High: 90 °F
Sunny
Sunday Night
Low: 81 °F
Mostly Clear
Monday
High: 90 °F
Sunny then
Sunny and
BreezyMonday Night
Low: 80 °F
Mostly Clear
and Breezy
then Mostly
ClearTuesday
High: 91 °F
Sunny then
Sunny and
Breezy
Detailed Forecast
Today
Sunny, with a high near 89. Heat index values as high as 105. Light southeast wind becoming east 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 80. East southeast wind 8 to 13 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 89. Light and variable wind becoming east 9 to 14 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 80. East southeast wind 6 to 13 mph.
Sunday
Sunny, with a high near 90. East southeast wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 81. South southeast wind 11 to 17 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 90. Breezy, with a southeast wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Mostly clear, with a low around 80. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 91. Breezy, with an east southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 80. Southeast wind 8 to 17 mph, with gusts as high as 24 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91. East southeast wind 6 to 15 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 80.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Mansfield TX
26.54°N 97.42°W
26.54°N 97.42°W
9:30 am CDT Aug 28, 2026
9am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
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