Today | Weather | Tuesday, August 4, 2026

Weather in Columbus, Ohio

06:21 PM
Now
Cloudy Weather
84° F
Feels Like 88°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 2
Humidity 50 %
Today
Cloudy Weather
Day 90°
Night 64°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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.

Columbus Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 4, 2025)
Cloudy Night

Day

82°

Night

63°

Wind

5 mph

Precipitation

7 %

Air Quality in Columbus

NOW
47 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 10.16 µg/m³
PM10 10.89 µg/m³
O3 0.051 ppm
NO2 0.9 ppb
SO2 1.5 ppb
CO 0.11 ppm
NH3 0 µg/m³
NO 0.22 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)
PM2.510.16 µg/m³
PM1010.89 µg/m³
O3100.43 µg/m³
NO21.65 µg/m³
SO23.8 µg/m³
CO120.55 µg/m³
NH30 µg/m³
NO0.22 µg/m³