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

76°F

24°C

Humidity 32%
Wind Speed NE 8 mph
Barometer 30.31 in (1026.3 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Oct 12:53 pm CDT
Extended Forecast for

San Juan TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 78. North wind 6 to 8 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 66 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 84. North northeast wind 5 to 8 mph.

    High: 84 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Northeast wind 5 to 7 mph becoming calm. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Northeast wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. East northeast wind 5 to 9 mph becoming light northeast. Winds could gust as high as 21 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. North wind 5 to 8 mph becoming east northeast in the afternoon. Chance of precipitation is 50%.

    High: 88 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. East wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. East northeast wind 3 to 8 mph.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 78. North wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 66. Calm wind becoming north northwest around 5 mph after midnight.
Monday
Partly sunny, with a high near 84. North northeast wind 5 to 8 mph.
Monday Night
A slight chance of showers between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 72. Northeast wind 5 to 7 mph becoming calm. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 89. Northeast wind 5 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 72. East northeast wind 5 to 9 mph becoming light northeast. Winds could gust as high as 21 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. North wind 5 to 8 mph becoming east northeast in the afternoon. Chance of precipitation is 50%.
Wednesday Night
Mostly clear, with a low around 71. East wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 89. East northeast wind 3 to 8 mph.
Thursday Night
Clear, with a low around 68. East wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 90. Calm wind becoming east southeast 5 to 9 mph in the afternoon.
Friday Night
Clear, with a low around 70.
Saturday
Sunny, with a high near 90.
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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:
1:30 pm CDT Oct 18, 2026
Forecast Valid:
1pm CDT Oct 18, 2026-6pm CDT Oct 24, 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