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Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Fair and Breezy
95°F
35°C
| Humidity | 41% |
| Wind Speed | SE 22 G 30 mph |
| Barometer | 29.96 in (1014.5 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 100°F (38°C) |
| Last update | 15 Sep 5:52 pm CDT |
Extended Forecast for
Harlingen TX
Tonight

Low: 78 °F
Mostly Clear
Wednesday
High: 99 °F
Sunny then
Slight Chance
T-stormsWednesday Night
Low: 78 °F
Partly Cloudy
then Chance
ShowersThursday
High: 97 °F
Chance
Showers then
Chance
T-stormsThursday Night
Low: 78 °F
Partly Cloudy
then Slight
Chance
T-stormsFriday

High: 96 °F
Chance
T-stormsFriday Night

Low: 76 °F
Mostly Clear
Saturday

High: 97 °F
Sunny
Saturday Night

Low: 76 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 78. Southeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Wednesday
A slight chance of showers and thunderstorms between 1pm and 4pm. Mostly sunny, with a high near 99. Heat index values as high as 109. Light east wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly clear, with a low around 78. East wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 21 mph.
Thursday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 97. Heat index values as high as 109. Light and variable wind becoming east northeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 78. East wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 96. Light northeast wind becoming east northeast 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 76. East wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 97. Calm wind becoming east 5 to 9 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 76. East wind 5 to 10 mph becoming light southeast in the evening. Winds could gust as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Light southeast wind becoming east 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 77. East wind 6 to 11 mph becoming light southeast after midnight. Winds could gust as high as 21 mph.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 77.
Tuesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 98.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Harlingen TX
26.19°N 97.7°W
26.19°N 97.7°W
6:30 pm CDT Sep 15, 2026
6pm CDT Sep 15, 2026-6pm CDT Sep 22, 2026


