News Headlines
- We're Hiring! If You're a Budding Meteorologist Looking for a Fulfilling Career, Apply Today to Join Our Team
- New: The 2026 Rio Grande Valley/Deep South Texas Hurricane Guide is Here!
- Nuevo: Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas es Aqui!
- 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
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
Overcast
83°F
28°C
| Humidity | 74% |
| Wind Speed | SE 15 G 32 mph |
| Barometer | 29.68 in (1005.0 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 90°F (32°C) |
| Last update | 5 May 8:53 pm CDT |
Extended Forecast for
San Juan TX
Tonight
Low: 78 °F
Mostly Cloudy
Wednesday
High: 99 °F
Decreasing
CloudsWednesday Night
Low: 77 °F
Partly Cloudy
Thursday
High: 93 °F
Mostly Cloudy
then Slight
Chance
T-stormsThursday Night
Low: 72 °F
Chance
T-stormsFriday
High: 86 °F
Chance
ShowersFriday Night
Low: 74 °F
Chance
T-stormsSaturday
High: 91 °F
Partly Sunny
then Slight
Chance
T-stormsSaturday Night
Low: 75 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 78. South southeast wind 13 to 16 mph, with gusts as high as 31 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 99. Heat index values as high as 112. South southeast wind 8 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 77. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 93. East wind 6 to 9 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Northeast wind 8 to 13 mph, with gusts as high as 21 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 86. North northeast wind around 8 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74. East northeast wind 5 to 7 mph becoming calm after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Light and variable wind becoming east southeast 5 to 7 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 75. South southeast wind 5 to 8 mph.
Sunday
Partly sunny, with a high near 95. South southeast wind 3 to 8 mph.
Sunday Night
Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Monday Night
Mostly cloudy, with a low around 72.
Tuesday
Partly sunny, with a high near 87.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
San Juan TX
26.2°N 98.16°W
26.2°N 98.16°W
9:30 pm CDT May 5, 2026
9pm CDT May 5, 2026-6pm CDT May 12, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
