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US AQI

45Now
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44
4311 PM
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392 AM
38
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355 AM
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338 AM
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3511 AM
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412 PM
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455 PM
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Air quality outlook

Worst hour each day

Today45Good
Sat 1745Good
Sun 1847Good
Mon 1947Good
Tue 2049Good

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

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About Harlingen weather

Harlingen is in Cameron County, Texas, United States at 26.19°, -97.70°. Right now it’s 71° and windy; today’s high is 84° with a 17% 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.