Air quality index71Moderate

Acceptable for most people; unusually sensitive people should take it easier outdoors.

Next 24 hours

US AQI

74Now
71
69
6211 PM
56
49
482 AM
48
47
485 AM
50
51
528 AM
54
55
6011 AM
65
71
762 PM
81
86
845 PM
81
78

Air quality outlook

Worst hour each day

Today77Moderate
Fri 986Moderate
Sat 1061Moderate
Sun 11500Hazardous
Mon 1243Good

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

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About Greeley weather

Greeley is in Weld County, Colorado, United States at 40.42°, -104.71°. Right now it’s 65° and clear; today’s high is 86° with a 1% chance of rain.

Colorado's climate is defined by dramatic elevation changes, from the eastern plains at around 3,500 feet to over 50 peaks exceeding 14,000 feet in the Rocky Mountains. Denver, known as the Mile High City, enjoys over 300 days of sunshine per year and has a semi-arid climate with low humidity. Temperature swings of 40 degrees or more in a single day are not uncommon along the Front Range.