Hourly Weather Forecast for Columbus, Ohio

Hourly Weather | Today › Wednesday, July 15, 2026

Active Weather Warnings

Heat Advisory
Air Quality Alert

Columbus, Ohio

6 PM

93°

Feels Like 99°

Humidity: 48%

UV Index: 2

Wind: 8 mph

7 PM

91°

Feels Like 97°

Humidity: 49%

UV Index: 1

Wind: 7 mph

8 PM

90°

Feels Like 93°

Humidity: 56%

UV Index: 0

Wind: 7 mph

9 PM

88°

Feels Like 91°

Humidity: 62%

UV Index: 0

Wind: 6 mph

10 PM

84°

Feels Like 90°

Humidity: 69%

UV Index: 0

Wind: 6 mph

11 PM

82°

Feels Like 88°

Humidity: 77%

UV Index: 0

Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 PM

68 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 12.96 µg/m³
PM₁₀: 14.89 µg/m³
O₃: 0.060 ppm
NO₂: 0.9 ppb
SO₂: 1.8 ppb
CO: 0.10 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM

54 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 13.37 µg/m³
PM₁₀: 15.34 µg/m³
O₃: 0.055 ppm
NO₂: 1.2 ppb
SO₂: 1.5 ppb
CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM

53 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 13.42 µg/m³
PM₁₀: 15.42 µg/m³
O₃: 0.051 ppm
NO₂: 1.6 ppb
SO₂: 1.4 ppb
CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM

53 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 13.32 µg/m³
PM₁₀: 15.32 µg/m³
O₃: 0.044 ppm
NO₂: 2 ppb
SO₂: 1.1 ppb
CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM

53 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 13.26 µg/m³
PM₁₀: 15.24 µg/m³
O₃: 0.036 ppm
NO₂: 2.2 ppb
SO₂: 0.8 ppb
CO: 0.11 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM

52 AQI

Moderate air quality Dominant pollutant: PM_2.5

Details

Pollutant Concentrations:

PM_2.5: 12.9 µg/m³
PM₁₀: 14.83 µg/m³
O₃: 0.029 ppm
NO₂: 2.6 ppb
SO₂: 0.6 ppb
CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Columbus

Moderate Expected Likely

Heat Advisory

Heat Advisory issued July 15 at 1:20PM EDT until July 15 at 8:00PM EDT by NWS Wilmington OH

Jul 15, 1:20 PM → Jul 15, 8:00 PM

WHAT: Heat index values up to 101.

WHERE: Portions of east central Indiana and central and west
central Ohio.

WHEN: Until 8 PM EDT this evening.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.

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Drink plenty of fluids, stay in air-conditioned rooms, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Updated: Jul 15, 4:58 PM Source: NWS Alert

Air Quality Alert

Air Quality Alert issued July 15 at 12:01AM EDT by NWS Wilmington OH

Jul 15, 12:01 AM → Jul 15, 9:15 PM

The Mid-Ohio Regional Planning Commission has issued an Air Quality
Alert for Delaware, Fairfield, Franklin and Licking counties in
Central Ohio, from 6 AM this morning to 9 PM EDT this evening.

Levels of ozone within the region may approach or exceed unhealthy
standards.

On Alert days, help reduce ozone by taking the following actions:

* Carpool, if possible, bike, walk or take the bus instead of
driving alone.
* Refuel your vehicle after 8 pm.
* Do not idle your vehicle, exhaust contributes to air pollution.
* Mow your lawn in the evening hours and avoid the use of
gas-powered lawn equipment.

For additional information, please visit the Mid-Ohio Regional
Planning Commission's website at morpc.org/airquality

Updated: Jul 15, 4:58 PM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

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Pollutant Concentrations:

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Pollutant Concentrations:

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Pollutant Concentrations:

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Pollutant Concentrations:

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Weather Alerts and Warnings for Columbus

Heat Advisory

Air Quality Alert

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