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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.

Partly Cloudy

91°F

33°C

Humidity	56%
Wind Speed	N 20 G 24 mph
Barometer	29.88 in (1011.6 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	6 Oct 1:52 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles S Rio Hondo TX

This Afternoon
High: 88 °F
Showers
Tonight
Low: 74 °F
Chance
Showers then
Chance
T-storms
Wednesday
High: 91 °F
Showers
Likely
Wednesday Night
Low: 73 °F
Chance
Showers
Thursday
High: 91 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 73 °F
Slight Chance
T-storms then
Slight Chance
Showers
Friday
High: 91 °F
Sunny then
Chance
T-storms
Friday Night
Low: 72 °F
Mostly Clear
Saturday
High: 90 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 88. North wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. North wind 6 to 11 mph, with gusts as high as 20 mph.

Wednesday

Showers and thunderstorms likely before noon, then showers likely and possibly a thunderstorm between noon and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly clear, with a low around 73. North northeast wind 5 to 11 mph, with gusts as high as 20 mph.

Thursday

A 50 percent chance of showers and thunderstorms. Sunny, with a high near 91. North northeast wind 9 to 16 mph, with gusts as high as 26 mph.

Thursday Night

A slight chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Mostly clear, with a low around 73. North northeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Friday

A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. North wind 10 to 15 mph, with gusts as high as 25 mph.

Friday Night

Mostly clear, with a low around 72. North northeast wind 6 to 11 mph becoming light.

Saturday

Mostly sunny, with a high near 90. North wind 8 to 10 mph.

Saturday Night

Partly cloudy, with a low around 72. Northeast wind 5 to 8 mph becoming calm in the evening.

Sunday

Mostly sunny, with a high near 91. Light and variable wind becoming east 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

Sunday Night

A 20 percent chance of showers. Partly cloudy, with a low around 75.