Chattanooga weather
At 8:30 PM local time it was cloudy and 18°C (64°F). Mostly light, on-and-off rain; heavier around 8 AM, 9 AM, 7 PM (9.7 mm total). Best months for weather: Apr–Jun, Aug–Oct. Chattanooga sits 209 m (686 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Chattanooga, Tennessee, United States.
Current conditions
- Clouds
- 100%
- Chance of rain
- 2%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 8 AM, 9 AM, 7 PM (9.7 mm total)
Daily Forecast
Best Time to Visit
Peak season Apr–Jun, Aug–OctOff season Dec–Feb
About Chattanooga weather
Is it raining in Chattanooga right now?
No. It’s cloudy and 18° right now. Mostly light, on-and-off rain; heavier around 8 AM, 9 AM, 7 PM (9.7 mm total).
What’s the weather like in Chattanooga this week?
Over the next 7 days, expect highs of 15–23° and lows of 12–16°. Rain is likely on 3 of 7 days (Sunday, Wednesday, Thursday). The driest day looks like Saturday.
Has it been raining in Chattanooga lately?
Barely. The past 7 days were mostly dry, with 0.0 mm of rain in total.
What should I pack for Chattanooga?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Chattanooga weather by month
When is the best time to visit Chattanooga?
Based on weather alone, the best time to visit Chattanooga is Apr–Jun, Aug–Oct, according to NASA's 2001–2025 climate averages. Dec–Feb tends to be the least pleasant. Average highs run from 9°C (48°F) in January to 32°C (90°F) in July.
What is the rainiest month in Chattanooga?
December is the wettest month, with about 140 mm (5.5 in) of rain on average. October is the driest, with about 89 mm (3.5 in).
What is the hottest month in Chattanooga?
July is the warmest, with average highs of 32°C (90°F) and lows of 21°C (69°F). January is the coolest, with highs of 9°C (48°F) and lows of -1°C (29°F).
Does Chattanooga have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is December at about 140 mm (5.5 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months