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Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Fair
77°F
25°C
| Humidity | 94% |
| Wind Speed | SE 3 mph |
| Barometer | 29.85 in (1010.8 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 5 Sep 4:52 am CDT |
Extended Forecast for
Sebastian TX
Today
High: 102 °F
Mostly Sunny
then Slight
Chance
T-stormsTonight

Low: 77 °F
Partly Cloudy
Sunday
High: 100 °F
Mostly Sunny
then Chance
T-stormsSunday Night

Low: 77 °F
Mostly Clear
Labor Day
High: 100 °F
Sunny then
Slight Chance
T-stormsMonday Night

Low: 76 °F
Mostly Clear
Tuesday
High: 99 °F
Sunny then
Slight Chance
T-stormsTuesday Night

Low: 76 °F
Partly Cloudy
Wednesday

High: 97 °F
Chance
T-storms
Detailed Forecast
Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 102. Heat index values as high as 112. Southeast wind 5 to 14 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 77. Southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Sunday
A chance of showers and thunderstorms between 2pm and 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 111. Southeast wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 77. East southeast wind 6 to 11 mph becoming light south southeast after midnight. Winds could gust as high as 22 mph.
Labor Day
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Light east southeast wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 76. Southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Light southeast wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 76. East southeast wind 9 to 14 mph becoming light southeast after midnight. Winds could gust as high as 24 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 97. Light southeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 75. East southeast wind 5 to 10 mph becoming light south southeast after midnight. Winds could gust as high as 21 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 98. Calm wind becoming east southeast 5 to 9 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 76.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 99.
Additional Forecasts and Information
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
Sebastian TX
26.35°N 97.8°W
26.35°N 97.8°W
5:45 am CDT Sep 5, 2026
5am CDT Sep 5, 2026-6pm CDT Sep 11, 2026


