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New: November 2026-January 2027 Outlook - Normal to warmer than normal conditions are favored through the remainder of the Fall into the upcoming Winter Season; mainly dry; marine/coastal, drought, fire weather, & water supply issues are in focus

Current conditions at

McAllen, Miller International Airport (KMFE)

Lat: 26.18°NLon: 98.24°WElev: 105ft.

Overcast

86°F

30°C

Humidity	43%
Wind Speed	Vrbl 7 mph
Barometer	29.95 in (1014.0 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	4 Nov 12:53 pm CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

San Juan TX

This Afternoon
High: 85 °F
Sunny
Tonight
Low: 69 °F
Increasing
Clouds
Thursday
High: 92 °F
Mostly Sunny
Thursday Night
Low: 71 °F
Slight Chance
Showers then
Showers
Likely
Friday
High: 81 °F
Showers
Likely then
Slight Chance
Showers
Friday Night
Low: 65 °F
Slight Chance
Showers
Saturday
High: 80 °F
Partly Sunny
then Chance
Showers
Saturday Night
Low: 63 °F
Showers
Likely
Sunday
High: 73 °F
Showers
Likely then
Chance
T-storms

Detailed Forecast

This Afternoon

Sunny, with a high near 85. North northeast wind 7 to 9 mph.

Tonight

Increasing clouds, with a low around 69. East wind 5 to 9 mph becoming light east southeast after midnight. Winds could gust as high as 20 mph.

Thursday

Mostly sunny, with a high near 92. Light east wind becoming southeast 5 to 9 mph in the morning.

Thursday Night

A slight chance of showers before midnight, then a chance of showers and thunderstorms between midnight and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 71. East southeast wind 5 to 7 mph becoming calm. Chance of precipitation is 60%.

Friday

Showers likely, mainly before noon. Partly sunny, with a high near 81. North wind 6 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

Friday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 65. North wind 5 to 8 mph.

Saturday

A 40 percent chance of showers after noon. Partly sunny, with a high near 80. North wind 8 to 10 mph.

Saturday Night

A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 63. North wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

Sunday

Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 73. North northwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

Sunday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 58. North northwest wind around 11 mph, with gusts as high as 23 mph.

Monday

A 20 percent chance of showers. Mostly sunny, with a high near 72. North northwest wind 6 to 10 mph, with gusts as high as 21 mph.

Monday Night

A 20 percent chance of showers. Partly cloudy, with a low around 58.

Tuesday

Mostly sunny, with a high near 77.