News Headlines
- New: Preliminary Damage Survey Of Harlingen To Laureles Texas Microburst Event On May 9, 2026
- 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
82°F
28°C
| Humidity | 82% |
| Wind Speed | SE 7 mph |
| Barometer | 29.73 in (1006.6 mb) |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 27 May 5:53 am CDT |
Extended Forecast for
San Juan TX
Today
High: 90 °F
Chance
T-stormsTonight
Low: 75 °F
Slight Chance
T-storms then
Partly CloudyThursday
High: 92 °F
Partly Sunny
then Slight
Chance
T-stormsThursday Night
Low: 75 °F
Partly Cloudy
Friday
High: 93 °F
Mostly Sunny
Friday Night
Low: 76 °F
Partly Cloudy
Saturday
High: 95 °F
Mostly Sunny
Saturday Night
Low: 76 °F
Partly Cloudy
Sunday
High: 95 °F
Partly Sunny
Detailed Forecast
Today
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 90. Southeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Southeast wind 5 to 10 mph becoming light east southeast after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. East wind 3 to 8 mph.
Thursday Night
Partly cloudy, with a low around 75. East wind 5 to 9 mph becoming light southeast after midnight.
Friday
Mostly sunny, with a high near 93. Southeast wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 76. East southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 95. Southeast wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 76. Southeast wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 95. South southeast wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 75. Southeast wind 5 to 13 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. East southeast wind 3 to 7 mph.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 74.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
San Juan TX
26.18°N 98.16°W
26.18°N 98.16°W
6:45 am CDT May 27, 2026
6am CDT May 27, 2026-6pm CDT Jun 2, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
