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

Weather in Chattanooga, Tennessee

08:05 AM
Now
Cloudy Weather
34° F
Feels Like 23°
Precipitation 1 %
Wind 14 mph
UV Index (0 - 11+) 1
Humidity 58 %
Today
Sunny Weather
Day 36°
Night 19°
Precipitation 4 %
Wind 15 mph
UV Index (0 - 11+) 3

Chattanooga Weather Forecast Updated

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

Day

59°

Night

46°

Wind

8 mph

Precipitation

96 %

Air Quality in Chattanooga

NOW
31 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.78 µg/m³
PM10 4.43 µg/m³
O3 0.033 ppm
NO2 1.5 ppb
SO2 1.1 ppb
CO 0.13 ppm
NH3 0.76 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 – 3.78 µg/m³
PM10 – 4.43 µg/m³
O3 – 65.21 µg/m³
NO2 – 2.9 µg/m³
SO2 – 2.99 µg/m³
CO – 153.2 µg/m³
NH3 – 0.76 µg/m³
NO – 0 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Chattanooga

Moderate Expected Likely

Cold Weather Advisory

Cold Weather Advisory issued December 13 at 12:24PM EST until December 15 at 10:00AM EST by NWS Morristown TN
Dec 14, 5:00 PM → Dec 15, 10:00 AM
WHAT: Very cold wind chills as low as zero expected.

WHERE: Portions of southwest North Carolina, east Tennessee, and
southwest Virginia.

WHEN: From 5 PM Sunday to 10 AM EST Monday.

IMPACTS: The cold wind chills as low as zero could result in
hypothermia if precautions are not taken.
+ Read More
Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Updated: Dec 14, 7:02 AM Source: NWS Alert