Today | Weather | Sunday, August 9, 2026

Weather in Cincinnati, Ohio

02:55 AM
Now
Foggy Weather
73° F
Feels Like 75°
Precipitation 0 %
Wind 4 mph
Humidity 92 %
Today
Cloudy Weather
Day 90°
Night 72°
Precipitation 25 %
Wind 7 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Cincinnati Weather Forecast Updated

3 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 9, 2025)
Night

Day

91°

Night

66°

Wind

5 mph

Precipitation

4 %

Air Quality in Cincinnati

NOW
23 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 5.49 µg/m³
PM10 5.65 µg/m³
O3 0.017 ppm
NO2 1.2 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 0.62 µg/m³
NO 0 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.55.49 µg/m³
PM105.65 µg/m³
O332.71 µg/m³
NO22.24 µg/m³
SO20.34 µg/m³
CO130.18 µg/m³
NH30.62 µg/m³
NO0 µg/m³