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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!
- 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.
Rain Fog/Mist
76°F
24°C
| Humidity | 100% |
| Wind Speed | NE 5 mph |
| Barometer | 30.00 in (1015.8 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 4.00 mi |
| Heat Index | 75°F (24°C) |
| Last update | 4 Oct 10:52 pm CDT |
Extended Forecast for
San Perlita TX
Tonight
Low: 72 °F
Showers
Monday
High: 84 °F
Showers
Monday Night
Low: 71 °F
Showers
LikelyTuesday
High: 88 °F
Chance
ShowersTuesday Night
Low: 71 °F
Mostly Clear
Wednesday
High: 90 °F
Chance
ShowersWednesday Night
Low: 72 °F
Slight Chance
T-storms then
Chance
ShowersThursday
High: 88 °F
Showers
LikelyThursday Night
Low: 71 °F
Chance
Showers
Detailed Forecast
Tonight
Showers and possibly a thunderstorm. Low around 72. North wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 84. North wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 4am, then showers likely after 4am. Mostly cloudy, with a low around 71. North northeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 88. North northeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Tuesday Night
Mostly clear, with a low around 71. Northeast wind 5 to 8 mph becoming calm.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. North northeast wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. Northeast wind 5 to 8 mph becoming calm.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. North northeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. North northeast wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. North wind 9 to 14 mph, with gusts as high as 24 mph.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 69. North northwest wind 6 to 9 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 92.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
San Perlita TX
26.51°N 97.63°W
26.51°N 97.63°W
11:45 pm CDT Oct 4, 2026
11pm CDT Oct 4, 2026-6pm CDT Oct 11, 2026
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