News Headlines
- 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.
Fair
81°F
27°C
| Humidity | 91% |
| Wind Speed | SE 9 mph |
| Barometer | 29.95 in (1014.0 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 13 Oct 11:52 pm CDT |
Extended Forecast for
San Perlita TX
Overnight

Low: 77 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny then
Mostly Sunny
and BreezyWednesday Night

Low: 72 °F
Mostly Clear
Thursday

High: 90 °F
Sunny
Thursday Night

Low: 71 °F
Mostly Clear
Friday
High: 86 °F
Slight Chance
Showers then
Chance
Showers and
BreezyFriday Night

Low: 65 °F
Chance
Showers and
BreezySaturday

High: 77 °F
Chance
Showers and
BreezySaturday Night

Low: 63 °F
Slight Chance
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 77. South southeast wind 9 to 13 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 92. Heat index values as high as 105. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 72. Southeast wind 8 to 15 mph, with gusts as high as 26 mph.
Thursday
Sunny, with a high near 90. East southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 71. East wind 5 to 9 mph becoming calm in the evening.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. 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 29 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Breezy, with a north northeast wind 15 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 77. Breezy, with a north wind 16 to 22 mph, with gusts as high as 38 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 63. North wind 5 to 10 mph, with gusts as high as 24 mph.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 80. North wind 9 to 11 mph, with gusts as high as 23 mph.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 67. North wind 3 to 8 mph.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
San Perlita TX
26.51°N 97.63°W
26.51°N 97.63°W
12:45 am CDT Oct 14, 2026
12am CDT Oct 14, 2026-6pm CDT Oct 20, 2026


