News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- New: September-November 2026 Outlook - Warmer Than Normal Conditions Favored; Precipitation A Toss-Up, But Could Trend Wetter Later This Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- Rapid-Onset (Flash) Drought Continues to Increase Across the RGV/Deep S. Texas Ranchlands. Click Here for Details.
- The 2026 Hurricane Season is Here! Are You Ready? Know Your Risk, Check Your Plans, Restock Your Kits, and More
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Partly Cloudy
100°F
38°C
| Humidity | 39% |
| Wind Speed | SE 14 G 24 mph |
| Barometer | 29.86 in (1011.1 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 108°F (42°C) |
| Last update | 1 Sep 3:52 pm CDT |
Extended Forecast for
Port Mansfield TX
This Afternoon

High: 90 °F
Sunny
Tonight

Low: 81 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny then
Sunny and
BreezyWednesday Night
Low: 82 °F
Mostly Clear
and Breezy
then Mostly
ClearThursday
High: 91 °F
Mostly Sunny
then Sunny
and BreezyThursday Night
Low: 82 °F
Mostly Clear
and Breezy
then Partly
CloudyFriday
High: 90 °F
Mostly Sunny
then Sunny
and BreezyFriday Night

Low: 80 °F
Mostly Clear
Saturday

High: 92 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 90. Heat index values as high as 107. East southeast wind around 17 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 81. South southeast wind 13 to 17 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 92. Heat index values as high as 109. Breezy, with a southeast wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 82. Breezy, with a southeast wind 11 to 21 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 91. Breezy, with a southeast wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
Mostly clear, with a low around 82. Breezy, with a southeast wind 10 to 18 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 90. Breezy, with an east southeast wind 8 to 18 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 80. Southeast wind 8 to 16 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 92. East southeast wind 6 to 16 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 80. East southeast wind 7 to 15 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 92. Light south southeast wind becoming east southeast 10 to 15 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 79.
Labor Day
Sunny, with a high near 92.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Port Mansfield TX
26.54°N 97.42°W
26.54°N 97.42°W
4:00 pm CDT Sep 1, 2026
4pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026


