5-day weather forecast for Chattanooga, Tennessee
Today
66°
90°
Slight Chance Thunderstorms
Wednesday
67°
83°
Thunderstorms Likely
Thursday
63°
84°
Chance Rain
Showers
Showers
Friday
61°
81°
Slight Chance Thunderstorms
Saturday
57°
83°
Mostly Sunny
Click on a forecast to see the forecast trend for that day
Weather changeability for Chattanooga, Tennessee
| Temperature | Last Month | Last Year |
|---|---|---|
| Average change in high temperature day-to-day | 6.6° | 4.9° |
| Average change in low temperature day-to-day | 9.4° | 6.4° |
| Precipitation | Last Month | Last Year |
|---|---|---|
| Chance of dry day after a precip day | 43% | 62% |
| Chance of precip day after a dry day | 25% | 23% |
Weather forecast accuracy for Chattanooga, Tennessee
| Intellicast | 77.68% |
| The Weather Channel | 76.49% |
| AccuWeather | 71.73% |
| Weather Underground | 71.43% |
| CustomWeather | 69.94% |
| National Weather Service | 67.86% |
| NWS Digital Forecast | 65.48% |
| World Weather Online | 54.46% |
| Persistence | 39.81% |
| The Weather Channel | 74.62% |
| Intellicast | 73.74% |
| National Weather Service | 70.95% |
| AccuWeather | 70.18% |
| CustomWeather | 69.34% |
| NWS Digital Forecast | 69.17% |
| Persistence | 47.34% |
ForecastAdvisor Fact
On average, Persistence's high temperature forecasts for Chattanooga were off by 10.35 degrees last month.