Tennessee · NWS MRX office

Chattanooga, TN weather

It is 48°F and clear at Chattanooga, Lovell Field as of Oct 28, 2:00 AM EDT. Overnight: Mostly Cloudy, low near 51°F. Forecast from the National Weather Service, issued Oct 28, 1:06 AM EDT.

Updated Oct 28, 2:16 AM EDT (snapshot)

Current conditions

Temperature

48°F

Clear

Wind

Calm

Humidity 93% · dew point 46°F

Pressure · visibility

30.29 inHg

Visibility 10 mi

Observed at Chattanooga, Lovell Field (KCHA), Oct 28, 2:00 AM EDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Chattanooga forecast zone right now.

Around the NWS MRX forecast area

No active alerts in zones served by the MRX office near Chattanooga.

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. No alerts are active anywhere in Tennessee.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Chattanooga (local time)
TimeTempForecastPrecip. chanceWind
Wed 2 AM54°FPartly Cloudy0% 0 mph
Wed 3 AM54°FMostly Cloudy0% 0 mph
Wed 4 AM53°FMostly Cloudy0% 0 mph
Wed 5 AM52°FMostly Cloudy0% 0 mph
Wed 6 AM52°FCloudy0% 0 mph
Wed 7 AM51°FCloudy0% 0 mph
Wed 8 AM51°FCloudy0% 0 mph
Wed 9 AM53°FCloudy0% 0 mph
Wed 10 AM57°FMostly Cloudy0% 0 mph
Wed 11 AM62°FMostly Cloudy0% 0 mph
Wed 12 PM65°FMostly Cloudy0% 0 mph
Wed 1 PM68°FPartly Sunny0% 0 mph
Wed 2 PM70°FPartly Sunny0% 0 mph
Wed 3 PM72°FMostly Sunny0% 0 mph
Wed 4 PM72°FSunny0% 0 mph
Wed 5 PM73°FSunny0% 0 mph
Wed 6 PM71°FMostly Clear0% 0 mph
Wed 7 PM67°FPartly Cloudy0% 0 mph
Wed 8 PM63°FPartly Cloudy0% 0 mph
Wed 9 PM59°FPartly Cloudy0% 0 mph
Wed 10 PM57°FMostly Clear0% 0 mph
Wed 11 PM56°FMostly Clear0% 0 mph
Thu 12 AM54°FMostly Clear0% 0 mph
Thu 1 AM53°FMostly Clear0% 0 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Chattanooga can differ.

7-day forecast

Overnight

Low 51°F

Mostly cloudy, with a low around 51. Wind around 0 mph.

Wednesday

High 73°F·Low 49°F

Partly sunny, with a high near 73. East wind around 0 mph.

Wednesday Night: Mostly clear, with a low around 49. Northeast wind around 0 mph.

Thursday

High 76°F·Low 50°F

Patchy fog between 8am and 10am. Mostly sunny, with a high near 76. Northeast wind around 0 mph.

Thursday Night: Mostly clear, with a low around 50. Northeast wind around 0 mph.

Friday

High 78°F·Low 57°F

Mostly sunny, with a high near 78. Northeast wind 0 to 5 mph.

Friday Night: Mostly cloudy, with a low around 57. Northeast wind 0 to 5 mph.

Saturday

High 74°F·Low 58°F

A slight chance of rain showers after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 20%.

Saturday Night: Rain showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

Sunday

High 68°F·Low 58°F

Rain showers likely. Cloudy, with a high near 68. Chance of precipitation is 70%.

Sunday Night: A chance of rain showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

Monday

High 73°F·Low 58°F

A slight chance of rain showers. Mostly cloudy, with a high near 73. Chance of precipitation is 20%.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

Tuesday

High 74°F

A chance of rain showers. Partly sunny, with a high near 74.

Nearby cities

Other cities in Hamilton County

See every city we cover in Tennessee, or check all active alerts.

About this forecast

Forecast office
Chattanooga is served by the National Weather Service MRX forecast office, forecast zone TNZ099, county zone TNC065.
Location used
The Census Bureau's internal point for Chattanooga (35.0660, -85.2484), in Hamilton County. Population: 191,496 (2024 estimate), number 4 of the 32 Tennessee cities on this site.
Radar
Nearest NWS radar: KHTX. View it on radar.weather.gov.

On Amazon

Weather-ready picks

As an Amazon Associate I earn from qualifying purchases.

Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/35.066,-85.2484 (forecast issued Oct 28, 1:06 AM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

More Tennessee cities