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Hazardous Weather Conditions
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 | S 7 mph |
| Barometer | 30.05 in (1017.5 mb) |
| Dewpoint | 78°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 9 Sep 12:52 am CDT |
Extended Forecast for
Harlingen, Rio Grande Valley International Airport TX
Overnight

Low: 77 °F
Mostly Clear
Wednesday
High: 99 °F
Sunny then
Chance
T-stormsWednesday Night

Low: 75 °F
Mostly Clear
Thursday
High: 101 °F
Sunny then
Slight Chance
T-stormsThursday Night

Low: 77 °F
Mostly Clear
Friday

High: 102 °F
Hot
Friday Night

Low: 77 °F
Mostly Clear
Saturday
High: 102 °F
Sunny then
Sunny and
BreezySaturday Night
Low: 78 °F
Mostly Clear
and Breezy
then Mostly
Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 77. Southeast wind 5 to 7 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Mostly sunny, with a high near 99. Heat index values as high as 111. Light east southeast wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 75. East southeast wind 9 to 14 mph becoming light south southeast after midnight. Winds could gust as high as 20 mph.
Thursday
A slight chance of showers and thunderstorms between 1pm and 4pm. Sunny and hot, with a high near 101. Heat index values as high as 111. Light southeast wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 77. South southeast wind 9 to 15 mph, with gusts as high as 23 mph.
Friday
Sunny and hot, with a high near 102. South wind 9 to 17 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 77. South southeast wind 13 to 17 mph, with gusts as high as 28 mph.
Saturday
Sunny and hot, with a high near 102. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 78. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Breezy, with a south southeast wind 10 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 78. Breezy, with a southeast wind 9 to 18 mph, with gusts as high as 29 mph.
Monday
Mostly sunny and hot, with a high near 101.
Monday Night
Mostly clear, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Harlingen, Rio Grande Valley International Airport TX
26.24°N 97.65°W
26.24°N 97.65°W
1:00 am CDT Sep 9, 2026
1am CDT Sep 9, 2026-6pm CDT Sep 15, 2026



