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- New: Preliminary Damage Survey Of Harlingen To Laureles Texas Microburst Event On May 9, 2026
- We're Hiring! If You're a Budding Meteorologist Looking for a Fulfilling Career, Apply Today to Join Our Team
- New: The 2026 Rio Grande Valley/Deep South Texas Hurricane Guide is Here!
- Nuevo: Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas es Aqui!
- New: May-July 2026 Outlook: Hotter than normal temperatures are favored to continue into the upcoming summer season; precipitation remains a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues remain in focus
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Mostly Cloudy
94°F
34°C
| Humidity | 52% |
| Wind Speed | S 18 G 30 mph |
| Barometer | 29.80 in (1009.1 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 104°F (40°C) |
| Last update | 18 May 12:52 pm CDT |
Extended Forecast for
Harlingen TX
This Afternoon
High: 96 °F
Mostly Sunny
and WindyTonight
Low: 80 °F
Mostly Cloudy
Tuesday
High: 96 °F
Partly Sunny
Tuesday Night
Low: 80 °F
Mostly Cloudy
then Slight
Chance
T-stormsWednesday
High: 94 °F
Partly Sunny
Wednesday Night
Low: 78 °F
Mostly Cloudy
Thursday
High: 92 °F
Chance
T-stormsThursday Night
Low: 77 °F
Chance
T-storms then
Showers
LikelyFriday
High: 91 °F
Chance
T-storms
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 96. Heat index values as high as 109. Windy, with a south southeast wind 26 to 29 mph, with gusts as high as 40 mph.
Tonight
Mostly cloudy, with a low around 80. Southeast wind 11 to 17 mph, with gusts as high as 31 mph.
Tuesday
Partly sunny, with a high near 96. Heat index values as high as 108. Southeast wind 13 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 80. Southeast wind 9 to 15 mph, with gusts as high as 26 mph.
Wednesday
Partly sunny, with a high near 94. Southeast wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, with a low around 78. Southeast wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 92. Southeast wind 7 to 13 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 77. Southeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 91. South southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Southeast wind 7 to 10 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90. South southeast wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.
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
1:41 pm CDT May 18, 2026
1pm CDT May 18, 2026-6pm CDT May 24, 2026
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