Today | Weather | Thursday, June 25, 2026

Weather in Greeley, Colorado

12:26 PM
Now
Cloudy Weather
66° F
Feels Like 72°
Precipitation 49 %
Wind 8 mph
UV Index (0 - 11+) 5
Humidity 76 %
Today
Sunny with a Chance of Thunderstorms
Day 73°
Night 55°
Precipitation 91 %
Wind 9 mph
UV Index (0 - 11+) 5

Greeley Weather Forecast Updated

10 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 25, 2025)
Sunny with a Chance of Thunderstorms

Day

77°

Night

52°

Wind

7 mph

UV Index

6

Precipitation

90 %

Air Quality in Greeley

NOW
59 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 16.15 µg/m³
PM10 16.29 µg/m³
O3 0.044 ppm
NO2 1.1 ppb
SO2 0.2 ppb
CO 0.24 ppm
NH3 0.59 µg/m³
NO 0.18 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.516.15 µg/m³
PM1016.29 µg/m³
O387.27 µg/m³
NO22.11 µg/m³
SO20.61 µg/m³
CO274.73 µg/m³
NH30.59 µg/m³
NO0.18 µg/m³