Next 24 hours

US AQI

46Now
39
39
3810 PM
37
37
371 AM
37
38
394 AM
39
37
357 AM
33
37
4010 AM
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461 PM
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484 PM
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48

Air quality outlook

Worst hour each day

Today69Moderate
Thu 849Good
Fri 973Moderate
Sat 1041Good
Sun 1159Moderate

From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.

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About McAllen weather

McAllen is in Hidalgo County, Texas, United States at 26.20°, -98.23°. Right now it’s 87° and mostly cloudy; today’s high is 88° with a 30% chance of rain.

Texas encompasses a vast range of climates due to its enormous size, from humid subtropical conditions along the Gulf Coast to arid desert in the west, and from semi-tropical in the Rio Grande Valley to continental on the northern plains. The state is so large that it spans multiple climate zones, with annual rainfall ranging from over 55 inches in the east to less than 10 inches in far west Texas near El Paso.