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WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
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

McAllen, Miller International Airport (KMFE)

Lat: 26.18°NLon: 98.24°WElev: 105ft.

Mostly Cloudy

78°F

26°C

Humidity	85%
Wind Speed	N 12 mph
Barometer	29.99 in (1015.4 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	5 Oct 1:53 am CDT

More Information:

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

Extended Forecast for

San Juan TX

Overnight
Low: 73 °F
Showers
Likely
Monday
High: 83 °F
Chance
T-storms then
Showers
Likely
Monday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 88 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 72 °F
Chance
T-storms then
Mostly Clear
Wednesday
High: 89 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 74 °F
Mostly Clear
then Chance
Showers
Thursday
High: 88 °F
Showers
Likely
Thursday Night
Low: 73 °F
Chance
T-storms

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. North wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Monday

A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 83. North wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. North wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

Tuesday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88. North wind 9 to 11 mph, with gusts as high as 24 mph.

Tuesday Night

A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. Calm wind becoming north northwest around 6 mph after midnight.

Wednesday

A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. North wind 8 to 10 mph, with gusts as high as 21 mph.

Wednesday Night

A slight chance of thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Northeast wind around 6 mph becoming calm. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. North northeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

Thursday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. North northeast wind 3 to 7 mph. Winds could gust as high as 20 mph.

Friday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. North wind 8 to 11 mph, with gusts as high as 22 mph.

Friday Night

A 20 percent chance of showers. Partly cloudy, with a low around 72. North northeast wind 5 to 7 mph becoming calm.

Saturday

A 20 percent chance of showers. Mostly sunny, with a high near 89.

Saturday Night

Partly cloudy, with a low around 72.

Sunday

A 20 percent chance of showers. Mostly sunny, with a high near 89.