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.

Fair and Breezy

83°F

28°C

Humidity 57%
Wind Speed SE 22 G 28 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 15 Apr 6:53 pm CDT
Extended Forecast for

San Juan TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 73. Southeast wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 92. Southeast wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 73. Southeast wind 11 to 15 mph, with gusts as high as 26 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 91. Breezy, with a south southeast wind 11 to 18 mph, with gusts as high as 32 mph.

    High: 91 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 74. Breezy, with a 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: Partly sunny, with a high near 92. South southeast wind around 14 mph, with gusts as high as 25 mph.

    High: 92 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. East southeast wind 8 to 13 mph becoming north northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 74. North northeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 74 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Cloudy, with a low around 64. North northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 73. Southeast wind 9 to 14 mph, with gusts as high as 25 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 92. Southeast wind 9 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Increasing clouds, with a low around 73. Southeast wind 11 to 15 mph, with gusts as high as 26 mph.
Friday
Partly sunny, with a high near 91. Breezy, with a south southeast wind 11 to 18 mph, with gusts as high as 32 mph.
Friday Night
Mostly cloudy, with a low around 74. Breezy, with a southeast wind 14 to 18 mph, with gusts as high as 31 mph.
Saturday
Partly sunny, with a high near 92. South southeast wind around 14 mph, with gusts as high as 25 mph.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. East southeast wind 8 to 13 mph becoming north northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Sunday
Showers and possibly a thunderstorm. High near 74. North northeast wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms. Cloudy, with a low around 64. North northeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 80. North northwest wind 7 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East southeast wind 6 to 10 mph.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 84.
Tuesday Night
Mostly cloudy, with a low around 68.
Wednesday
Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan TX
 26.2°N 98.16°W
Last Update:
7:30 pm CDT Apr 15, 2026
Forecast Valid:
7pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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