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.

Overcast

77°F

25°C

Humidity 79%
Wind Speed SE 15 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 7 Mar 5:53 am CST
Extended Forecast for

San Juan TX

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 93. South southeast wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 93 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 72. Southeast wind 7 to 15 mph, with gusts as high as 26 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Southeast wind 6 to 10 mph. Chance of precipitation is 70%.

    High: 88 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 90. Breezy, with a south southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 90 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72. Southeast wind 14 to 17 mph, with gusts as high as 29 mph.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 90. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 36 mph.

    High: 90 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 71. Breezy, with a south southeast wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    Showers and
    Breezy then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 94. South wind 7 to 10 mph becoming north in the morning.

    High: 94 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 93. South southeast wind 14 to 17 mph, with gusts as high as 29 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 72. Southeast wind 7 to 15 mph, with gusts as high as 26 mph.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Southeast wind 6 to 10 mph. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind 6 to 10 mph. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 90. Breezy, with a south southeast wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 72. Southeast wind 14 to 17 mph, with gusts as high as 29 mph.
Tuesday
Mostly cloudy, with a high near 90. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 36 mph.
Tuesday Night
A slight chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 71. Breezy, with a south southeast wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 94. South wind 7 to 10 mph becoming north in the morning.
Wednesday Night
Mostly clear, with a low around 61. North wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 80. North wind around 11 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
San Juan TX
 26.18°N 98.16°W
Last Update:
6:18 am CST Mar 7, 2026
Forecast Valid:
6am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation