National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

McAllen, Miller International Airport (KMFE)

Lat: 26.18°NLon: 98.24°WElev: 105ft.

Mostly Cloudy

89°F

32°C

Humidity 50%
Wind Speed SE 20 G 29 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 16 Apr 1:53 pm CDT
Extended Forecast for

San Juan TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. Southeast wind around 15 mph, with gusts as high as 26 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 73. Southeast wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 91. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 33 mph.

    High: 91 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 74. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 31 mph.

    Low: 74 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 91. South southeast wind 13 to 16 mph, with gusts as high as 28 mph.

    High: 91 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 65. East southeast wind 7 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%.

    Low: 65 °F

    Chance
    T-storms then
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 72. North wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 64. North northeast wind 6 to 10 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. North wind 7 to 9 mph becoming east in the afternoon.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Southeast wind around 15 mph, with gusts as high as 26 mph.
Tonight
Increasing clouds, with a low around 73. Southeast wind 11 to 16 mph, with gusts as high as 28 mph.
Friday
Partly sunny, with a high near 91. Breezy, with a south southeast wind 11 to 20 mph, with gusts as high as 33 mph.
Friday Night
Mostly cloudy, with a low around 74. Breezy, with a south southeast wind 14 to 18 mph, with gusts as high as 31 mph.
Saturday
Mostly cloudy, with a high near 91. South southeast wind 13 to 16 mph, with gusts as high as 28 mph.
Saturday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 65. East southeast wind 7 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 72. North wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 64. North northeast wind 6 to 10 mph. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. North wind 7 to 9 mph becoming east in the afternoon.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 68. East wind 5 to 9 mph. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Southeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 70.
Wednesday
Partly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan TX
 26.18°N 98.16°W
Last Update:
2:47 pm CDT Apr 16, 2026
Forecast Valid:
2pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation