5-day weather forecast for Chattanooga, Tennessee

Weather changeability for Chattanooga, Tennessee

Temperature Last Month Last Year
Average change in high temperature day-to-day 5.2° 4.5°
Average change in low temperature day-to-day 7.1° 6.2°
Precipitation Last Month Last Year
Chance of dry day after a precip day 67% 57%
Chance of precip day after a dry day 16% 20%

Weather forecast accuracy for Chattanooga, Tennessee

Last Month
The Weather Channel   83.87%
Weather Underground   83.87%
MeteoGroup   83.87%
AccuWeather   82.80%
Dark Sky (forecast.io)   81.18%
Foreca   78.76%
NWS Digital Forecast   77.15%
World Weather Online   59.41%
Persistence   46.77%
Last Year
The Weather Channel   79.43%
Weather Underground   79.40%
MeteoGroup   78.62%
Foreca   77.73%
AccuWeather   77.38%
Dark Sky (forecast.io)   71.47%
NWS Digital Forecast   71.32%
World Weather Online   65.87%
Persistence   51.31%

ForecastAdvisor Fact

It rained or snowed 46% of the time in Chattanooga last year when NWS Digital Forecast's text forecasts called for precipitation, and 3% of the time when they did not.