Hourly Weather Forecast for Dayton, Ohio

Hourly Weather | Today › Tuesday, April 7, 2026

Active Weather Warnings

Freeze Warning

Dayton, Ohio

4 PM

48°

Feels Like 48°

Humidity: 28%

UV Index: 4

Wind: 9 mph

5 PM

50°

Feels Like 48°

Humidity: 27%

UV Index: 2

Wind: 9 mph

6 PM

48°

Feels Like 45°

Humidity: 29%

UV Index: 1

Wind: 8 mph

7 PM

46°

Feels Like 43°

Humidity: 32%

UV Index: 0

Wind: 8 mph

8 PM

48°

Feels Like 45°

Humidity: 31%

UV Index: 0

Wind: 8 mph

9 PM

45°

Feels Like 39°

Humidity: 37%

UV Index: 0

Wind: 7 mph

10 PM

43°

Feels Like 37°

Humidity: 43%

UV Index: 0

Wind: 7 mph

11 PM

39°

Feels Like 34°

Humidity: 49%

UV Index: 0

Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 PM

72 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.33 µg/m³
PM₁₀: 3.01 µg/m³
O₃: 0.061 ppm
NO₂: 0.8 ppb
SO₂: 0.8 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.

5 PM

76 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.27 µg/m³
PM₁₀: 2.96 µg/m³
O₃: 0.062 ppm
NO₂: 0.8 ppb
SO₂: 0.9 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.

6 PM

75 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.39 µg/m³
PM₁₀: 3.16 µg/m³
O₃: 0.062 ppm
NO₂: 1.3 ppb
SO₂: 0.9 ppb
CO: 0.13 ppm

Health Recommendations:

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

7 PM

68 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.66 µg/m³
PM₁₀: 3.59 µg/m³
O₃: 0.060 ppm
NO₂: 2.1 ppb
SO₂: 1 ppb
CO: 0.13 ppm

Health Recommendations:

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

8 PM

60 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.69 µg/m³
PM₁₀: 3.79 µg/m³
O₃: 0.057 ppm
NO₂: 2.9 ppb
SO₂: 1 ppb
CO: 0.14 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: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.72 µg/m³
PM₁₀: 3.98 µg/m³
O₃: 0.055 ppm
NO₂: 3.1 ppb
SO₂: 1.1 ppb
CO: 0.14 ppm

Health Recommendations:

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

10 PM

50 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 2.94 µg/m³
PM₁₀: 4.36 µg/m³
O₃: 0.054 ppm
NO₂: 2.9 ppb
SO₂: 1.1 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM

50 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 3.36 µg/m³
PM₁₀: 4.87 µg/m³
O₃: 0.054 ppm
NO₂: 2.7 ppb
SO₂: 1.1 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Dayton

Moderate Expected Likely

Freeze Warning

Freeze Warning issued April 7 at 1:27PM EDT until April 8 at 10:00AM EDT by NWS Wilmington OH

Apr 7, 11:00 PM → Apr 8, 10:00 AM

WHAT: Sub-freezing temperatures in the upper 20s to lower 30s are
likely.

WHERE: Portions of east central and southeast Indiana, northeast
and northern Kentucky, and central, south central, southwest, and
west central Ohio.

WHEN: From 11 PM this evening to 10 AM EDT Wednesday.

IMPACTS: Frost and freeze conditions could kill crops and other
sensitive vegetation.

+ Read More

Take steps now to protect tender plants from the cold. Drain in-ground sprinkler systems and cover above ground pipes.

Updated: Apr 7, 2:34 PM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Weather Alerts and Warnings for Dayton

Freeze Warning

Explore U.S. Weather Trends