Chattanooga, TN Weather Forecast
Right now it is 72°F and cloudy in Chattanooga (as of Tue, 2:35 PM EST). This Afternoon: high near 76°F. Tomorrow: showers and thunderstorms, high near 72°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions

Measured at Chattanooga, Lovell Field (6 mi from the city center).
Weather tomorrow in Chattanooga
Showers and thunderstorms. Cloudy, with a high near 72. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Showers and thunderstorms likely before 9pm. Partly cloudy, with a low around 61. Southwest wind 0 to 5 mph. Chance of precipitation is 60%.
Weather alerts
No active National Weather Service watches, warnings or advisories for Chattanooga right now.
7-day forecast
Mostly cloudy, with a high near 76. Southeast wind around 15 mph, with gusts as high as 25 mph. Tonight: A chance of rain showers between 10pm and 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Cloudy, with a high near 72. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. Wednesday Night: Showers and thunderstorms likely before 9pm. Partly cloudy, with a low around 61. Southwest wind 0 to 5 mph. Chance of precipitation is 60%.
Mostly sunny, with a high near 75. West wind 0 to 5 mph. Thursday Night: Partly cloudy, with a low around 52. Northwest wind around 0 mph.
Sunny, with a high near 73. Northwest wind 0 to 10 mph. Friday Night: Mostly clear, with a low around 48.
Mostly sunny, with a high near 66. Saturday Night: Partly cloudy, with a low around 42.
Mostly sunny, with a high near 65. Sunday Night: Mostly clear, with a low around 40.
Sunny, with a high near 65. Monday Night: Mostly clear, with a low around 40.
Forecast issued by NWS forecast office MRX · updated Nov 3, 1:26 PM EST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Chattanooga population: 194,144 (U.S. Census Bureau, July 1, 2025 estimate). More Tennessee cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Chattanooga?
Wednesday, November 4: Showers And Thunderstorms, high near 72°F; night: showers and thunderstorms likely then partly cloudy, low around 61°F.
Where does the Chattanooga forecast come from?
From the National Weather Service forecast office MRX, which writes the official forecast for Chattanooga's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Chattanooga weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Chattanooga (America/New York).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.