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- New: May-July 2026 Outlook: Hotter than normal temperatures are favored to continue into the upcoming summer season; precipitation remains a toss-up; drought, heat risk increases, occasional heavy rain/flooding, & water supply issues remain in focus
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Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Mostly Cloudy
81°F
27°C
| Humidity | 82% |
| Wind Speed | S 17 mph |
| Barometer | 29.81 in (1009.3 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 28 Apr 8:52 pm CDT |
Extended Forecast for
Harlingen, Rio Grande Valley International Airport TX
Tonight
Low: 73 °F
Mostly Cloudy
and Breezy
then Partly
CloudyWednesday
High: 95 °F
Mostly Sunny
and BreezyWednesday Night
Low: 73 °F
Increasing
CloudsThursday
High: 92 °F
Partly Sunny
then Mostly
Sunny and
BreezyThursday Night
Low: 73 °F
Mostly Cloudy
and Breezy
then Mostly
CloudyFriday
High: 94 °F
Partly Sunny
Friday Night
Low: 62 °F
Chance
T-stormsSaturday
High: 75 °F
Chance
Showers and
BreezySaturday Night
Low: 58 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 73. Breezy, with a south wind 14 to 18 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 95. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 29 mph.
Wednesday Night
Increasing clouds, with a low around 73. East southeast wind 10 to 17 mph, with gusts as high as 23 mph.
Thursday
Partly sunny, with a high near 92. Breezy, with a southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Thursday Night
Mostly cloudy, with a low around 73. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 25 mph.
Friday
Partly sunny, with a high near 94. Southeast wind 10 to 17 mph, with gusts as high as 26 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62. East wind 9 to 17 mph becoming north after midnight. Winds could gust as high as 28 mph.
Saturday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 75. Breezy, with a north northwest wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 58. North northeast wind 7 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 80. North wind 8 to 13 mph becoming east northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 59. East northeast wind 8 to 13 mph becoming light southeast after midnight.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 89.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harlingen, Rio Grande Valley International Airport TX
26.24°N 97.65°W
26.24°N 97.65°W
9:00 pm CDT Apr 28, 2026
9pm CDT Apr 28, 2026-6pm CDT May 5, 2026
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