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- 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.
Light Rain
83°F
28°C
| Humidity | 79% |
| Wind Speed | S 10 mph |
| Barometer | 29.91 in (1012.6 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 91°F (33°C) |
| Last update | 13 Oct 7:52 pm CDT |
Extended Forecast for
Harlingen TX
Tonight
Low: 78 °F
Mostly Clear
Wednesday
High: 94 °F
Mostly Sunny
Wednesday Night
Low: 75 °F
Mostly Clear
Thursday
High: 92 °F
Sunny
Thursday Night
Low: 73 °F
Mostly Clear
Friday
High: 88 °F
Slight Chance
Showers then
Chance
T-stormsFriday Night
Low: 66 °F
Chance
Showers and
BreezySaturday
High: 78 °F
Chance
Showers and
BreezySaturday Night
Low: 64 °F
Slight Chance
Showers
Detailed Forecast
Tonight
Mostly clear, with a low around 78. Southeast wind 10 to 15 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 94. Heat index values as high as 106. Southeast wind 10 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 75. Southeast wind 9 to 15 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 92. East southeast wind 7 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 73. East wind 5 to 10 mph becoming light and variable in the evening.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. North northeast wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Breezy, with a north northeast wind 15 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 40%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 78. Breezy, with a north wind 16 to 22 mph, with gusts as high as 40 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 64. North wind 8 to 11 mph, with gusts as high as 25 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. North northeast wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 69. North wind 5 to 9 mph.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 73.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harlingen TX
26.19°N 97.7°W
26.19°N 97.7°W
8:18 pm CDT Oct 13, 2026
8pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
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