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- New: Spring 2026 RGV Weather and Climate Summary - Worst Drought Since 2013 is Quenched by April and May Rains
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- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas
- We're Hiring! If You're a Budding Meteorologist Looking for a Fulfilling Career, Apply Today to Join Our Team
Current conditions at
McAllen, Miller International Airport (KMFE)
Lat: 26.18°NLon: 98.24°WElev: 105ft.
A Few Clouds
83°F
28°C
| Humidity | 91% |
| Wind Speed | SE 9 mph |
| Barometer | 29.88 in (1011.5 mb) |
| Dewpoint | 80°F (27°C) |
| Visibility | 9.00 mi |
| Heat Index | 95°F (35°C) |
| Last update | 20 Jun 1:53 am CDT |
Extended Forecast for
San Juan TX
Overnight
Low: 81 °F
Mostly Cloudy
Saturday
High: 93 °F
Chance
T-stormsSaturday Night
Low: 80 °F
Chance
T-stormsSunday
High: 95 °F
Becoming
SunnySunday Night
Low: 80 °F
Mostly Clear
Monday
High: 96 °F
Sunny
Monday Night
Low: 80 °F
Mostly Clear
Tuesday
High: 96 °F
Sunny
Tuesday Night
Low: 78 °F
Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 81. Southeast wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 93. Heat index values as high as 108. East southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly between midnight and 1am. Mostly cloudy, with a low around 80. Southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 95. Heat index values as high as 110. South southeast wind 11 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 80. Southeast wind 14 to 16 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 96. South southeast wind 15 to 17 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 80. Southeast wind 11 to 16 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 96. South southeast wind 11 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Clear, with a low around 78. Southeast wind 9 to 15 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 96. South southeast wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 77. Southeast wind 8 to 14 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 97.
Thursday Night
Mostly clear, with a low around 78.
Friday
Sunny, with a high near 96. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
San Juan TX
26.18°N 98.16°W
26.18°N 98.16°W
2:00 am CDT Jun 20, 2026
2am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
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