Port Harlingen, TX Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Port Harlingen, TX in one place.
Mostly sunny, with a high near 94. Heat index values as high as 107. Southeast wind 7 to 16 mph, with gusts as high as 24 mph.
Local Weather Overview
This forecast page for Port Harlingen, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 9, 2026 2:32 PM CDT.
The active forecast window currently covers Jun 10 to Jun 15, 2026 for Port Harlingen, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 10 to Jun 15, 2026
- Latest sync
- Jun 9, 2026 2:32 PM CDT
- Forecast office
- BRO
- Source
- NOAA / NWS
Daily Outlook
This Week in Port Harlingen
Wednesday looks like the warmest upcoming period in Port Harlingen at 94 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 79 degrees F.
The strongest winds are forecast for Thursday at about 8 to 17 mph SE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 9, 2026 2:32 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- BRO
- Radar station
- KBRO
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 79. Southeast wind 8 to 16 mph, with gusts as high as 24 mph.
Mostly sunny, with a high near 94. Southeast wind 8 to 17 mph, with gusts as high as 26 mph.
Mostly clear, with a low around 80. Southeast wind 7 to 17 mph, with gusts as high as 26 mph.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. East southeast wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. East southeast wind 6 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 92. East southeast wind 6 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 79. Southeast wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Southeast wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 80. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 10
|
Mostly Sunny
|
94°F |
7 to 16 mph
SE
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
79°F |
8 to 16 mph
SE
|
|
Thursday
Jun 11
|
Mostly Sunny
|
94°F |
8 to 17 mph
SE
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
80°F |
7 to 17 mph
SE
|
|
Friday
Jun 12
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
7 to 16 mph
ESE
|
|
Friday Night
Jun 12
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
79°F |
6 to 16 mph
ESE
|
|
Saturday
Jun 13
|
Chance Showers And Thunderstorms
|
92°F |
6 to 16 mph
ESE
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms then Partly Cloudy
|
79°F |
7 to 16 mph
SE
|
|
Sunday
Jun 14
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
7 to 16 mph
SE
|
|
Sunday Night
Jun 14
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
80°F |
8 to 16 mph
SE
|
|
Monday
Jun 15
|
Chance Showers And Thunderstorms
|
94°F |
8 to 15 mph
SSE
|
|
Monday Night
Jun 15
|
Chance Showers And Thunderstorms
|
80°F |
8 to 15 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Port Harlingen.