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- 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.
A Few Clouds and Breezy
92°F
33°C
| Humidity | 64% |
| Wind Speed | SE 25 G 32 mph |
| Barometer | 29.94 in (1013.9 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 108°F (42°C) |
| Last update | 14 Oct 11:52 am CDT |
Extended Forecast for
Harlingen TX
This Afternoon

High: 93 °F
Mostly Sunny
Tonight

Low: 74 °F
Mostly Clear
Thursday

High: 92 °F
Mostly Sunny
Thursday Night

Low: 72 °F
Mostly Clear
Friday

High: 88 °F
Chance
Showers and
BreezyFriday Night

Low: 65 °F
Chance
Showers and
BreezySaturday

High: 75 °F
Slight Chance
Showers and
BreezySaturday Night

Low: 62 °F
Slight Chance
ShowersSunday

High: 81 °F
Partly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 93. Heat index values as high as 105. Southeast wind around 17 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 74. Southeast wind 8 to 14 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 92. East southeast wind 7 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 72. East wind 5 to 10 mph becoming light and variable in the evening.
Friday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly sunny, with a high near 88. Breezy, with a north northeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Breezy, with a north wind 17 to 24 mph, with gusts as high as 44 mph. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 75. Breezy, with a north northwest wind 16 to 23 mph, with gusts as high as 44 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 62. North wind 9 to 13 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, with a high near 81. North northwest wind 10 to 14 mph, with gusts as high as 29 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 67. North northwest wind 5 to 9 mph.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 85. North northeast wind around 10 mph, with gusts as high as 21 mph.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 71.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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
12:21 pm CDT Oct 14, 2026
12pm CDT Oct 14, 2026-6pm CDT Oct 20, 2026


