Today | Weather | Wednesday, July 15, 2026

Active Weather Warnings

Weather in Columbus, Ohio

04:01 PM

Now

97° F

Feels Like 102°

Precipitation 0 %

Wind 8 mph

UV Index (0 - 11+) 5

Humidity 42 %

Today

Day 97°

Night 73°

Precipitation 0 %

Wind 6 mph

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Columbus Weather Forecast Updated

38 minutes ago

Last updated on July 15, 2026 at 3:23 PM

Weather Forecast History

Last Year's Weather on This Day (July 15, 2025)

Day

91°

Night

72°

Wind

4 mph

UV Index

Precipitation

14 %

Air Quality in Columbus

NOW

79 AQI

Moderate air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 12.44 µg/m³

PM₁₀ 14.4 µg/m³

O₃ 0.063 ppm

NO₂ 0.5 ppb

SO₂ 2.2 ppb

CO 0.10 ppm

NH₃ 0.01 µg/m³

NO 0.15 µg/m³

PM_2.5 – 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)

PM_2.5 – 12.44 µg/m³

PM₁₀ – 14.4 µg/m³

O₃ – 124.3 µg/m³

NO₂ – 0.99 µg/m³

SO₂ – 5.83 µg/m³

CO – 116.31 µg/m³

NH₃ – 0.01 µg/m³

NO – 0.15 µg/m³

View Hourly Air Quality Forecast

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.

+ Read More

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, 3:23 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