Today | Weather | Wednesday, March 18, 2026

Weather in Clarksville, Tennessee

11:22 AM
Now
Rainy Weather
45° F
Feels Like 36°
Precipitation 51 %
Wind 17 mph
UV Index (0 - 11+) 1
Humidity 39 %
Today
Rainy Weather
Day 59°
Night 39°
Precipitation 55 %
Wind 14 mph
UV Index (0 - 11+) 3

Clarksville Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)
Sunny Weather

Day

79°

Night

55°

Wind

12 mph

UV Index

6

Precipitation

3 %

Air Quality in Clarksville

NOW
48 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.31 µg/m³
PM10 5.51 µg/m³
O3 0.051 ppm
NO2 2.1 ppb
SO2 0.6 ppb
CO 0.14 ppm
NH3 1.25 µg/m³
NO 0.31 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)
PM2.54.31 µg/m³
PM105.51 µg/m³
O3100.95 µg/m³
NO24 µg/m³
SO21.47 µg/m³
CO157.16 µg/m³
NH31.25 µg/m³
NO0.31 µg/m³