How does NOAA issue severe storm watches for Chattanooga?

The National Weather Service (NWS) monitors atmospheric instability across Tennessee. When convective storms, tornado potential, or flash floods are detected, automated NOAA advisories are immediately broadcasted.

What are the best outdoor weather hours in Chattanooga today?

Check the 24-hour hourly trend chart above to identify windows of minimal rain probability, low UV index periods, and mild temperatures.

TN, USAZIP 37401Live NOAA Station

Chattanooga, TN

Q: What is the current temperature and forecast in Chattanooga, Tennessee?

The current weather in Chattanooga is around 83°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Mainly clear•Feels like 92°F+5° heat index

90°F/70°F

2 mph 45°

65%Humidity

83°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

Updated: 08:30 AM (America/New_York)

Daily Meteorological Briefing

Chattanooga, TN

Synthesized forecast and practical day-planning insights

NOAA HRRR Stream

Expect mild and stable weather across Chattanooga, TN today.

Current temperature is 83°F (feels like 92°F), with daytime highs reaching 90°F and overnight lows around 70°F. Humidity is at 65%, with atmospheric pressure steady at 1016.3 hPa.

Sun protection is recommended with UV reaching 6. Wear SPF and sunglasses during midday hours.

Daily Range

Δ 11° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 6 • High UV

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

Hourly Forecast

Next 16 Hours

Now

73°F

1 AM

73°F

2 AM

73°F

3 AM

71°F

4 AM

71°F

5 AM

70°F

16%

6 AM

71°F

14%

7 AM

70°F

8 AM

70°F

10%

9 AM

72°F

10 AM

74°F

11 AM

78°F

12 PM

81°F

1 PM

84°F

2 PM

87°F

3 PM

89°F

10-Day Forecast

Extended 10-day meteorological outlook

10-Day Range

Today

Sep 22

38%

70°F

90°F

Wed

Sep 23

45%

67°F

84°F

Thu

Sep 24

66%

61°F

74°F

Fri

Sep 25

55°F

78°F

Sat

Sep 26

57°F

80°F

Sun

Sep 27

64°F

78°F

Mon

Sep 28

58°F

80°F

Tue

Sep 29

58°F

84°F

Wed

Sep 30

19%

61°F

84°F

Thu

Oct 1

20%

62°F

88°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

UV IndexHigh

6 / 11+

Protection requiredPeak 6.45

Wind45°

2 mph

Wind Gusts:3 mph

Conditions:Gentle breeze

Sun CycleDaylight

Sunrise07:29 AM

Sunset07:37 PM

Solar Noon:12:54 PM

HumidityHumid

65%

Dew Point:70°F

PressureSteady

30.01 inHg

Trend:Stable (+0.1 hPa)

VisibilityClear

15.7 mi

Haze:Minimal

Air Quality Index (AQI)Moderate

52US EPA Standard

Air quality is acceptable for most people.

PM2.59 µg

OZONE117 µg

PM109 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsGood

Pleasant conditions for light outdoor activities.

Car WashRecommended

Dry conditions will keep your vehicle clean.

Pollen & AllergyLow Risk

Pollen counts remain in the comfortable range.

Driving SafetyOptimal

Dry pavement and clear visibility throughout.

Sun & Moon • Celestial Dynamics

Solar orbital arc trajectory and lunar cycle visibility

Astronomy Telemetry

Solar Day TrackDaylight Arc

Sunrise03:29 AM

Daylight ~13h

Sunset03:37 PM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

80% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~5 daysTidal Currents Normal

Frequently Asked Questions - Chattanooga, Tennessee

The current weather in Chattanooga is around 83°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

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