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Today | Weather | Sunday, December 14, 2025
Active Weather Warnings

Weather in Dayton, Ohio

08:08 AM
Now
Cloudy Weather
3° F
Feels Like -18°
Precipitation 0 %
Wind 14 mph
UV Index (0 - 11+) 0
Humidity 89 %
Today
Cold Day
Day 12°
Night 0°
Precipitation 0 %
Wind 15 mph
UV Index (0 - 11+) 1

Dayton Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 14, 2024)
Rainy Weather

Day

50°

Night

39°

Wind

12 mph

Precipitation

98 %

Air Quality in Dayton

NOW
32 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.55 µg/m³
PM10 2.07 µg/m³
O3 0.034 ppm
NO2 3 ppb
SO2 0.7 ppb
CO 0.14 ppm
NH3 0.6 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)
PM2.5 – 1.55 µg/m³
PM10 – 2.07 µg/m³
O3 – 66.87 µg/m³
NO2 – 5.71 µg/m³
SO2 – 1.95 µg/m³
CO – 157.98 µg/m³
NH3 – 0.6 µg/m³
NO – 0 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Dayton

Moderate Expected Likely

Cold Weather Advisory

Cold Weather Advisory issued December 14 at 1:46AM EST until December 15 at 11:00AM EST by NWS Wilmington OH
Dec 14, 1:46 AM → Dec 15, 11:00 AM
WHAT: Very cold wind chills as low as 5 to 15 below zero expected.

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

WHEN: Until 11 AM EST Monday.

IMPACTS: The cold wind chills as low as 15 below zero could
result in hypothermia or frostbite if precautions are not taken.
+ Read More
Dress in layers including a hat, face mask, and gloves if you must go outside.
Updated: Dec 14, 6:52 AM Source: NWS Alert