New York, NY 72° Los Angeles, CA 66° Chicago, IL 64° 🌤️ Houston, TX 🌤️ Miami, FL 🌤️ Phoenix, AZ Seattle, WA 58° 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 58°
WeatherLive › Tennessee › Chattanooga

Chattanooga, TN Weather

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherChattanooga · 8:45 AM EDT
89° | 73°
78°F
Feels like 84°
Heavy rain
+3° vs. normal — warmer than usual for this time of year
WindNW 3 mph · Gusts 3 mph
Precip71% · 9.93 in
Humidity85% · Dew point 73°
UV index9 Very high
Air Quality46 Good
Pressure30.00 inHg
Visibility1 mi
Sunrise / Sunset7:03 AM · 8:26 PM · 13h 23m

Weather map — Chattanooga

Full radar →
Now
78°
0.76 in
3 mph
09:00
81°
0.76 in
2 mph
10:00
83°
0.76 in
3 mph
11:00
85°
0.76 in
5 mph
12:00
87°
0.76 in
5 mph
13:00
86°
1%
7 mph
14:00
88°
1%
8 mph
15:00
89°
1%
6 mph
16:00
89°
1%
6 mph
17:00
89°
1%
8 mph
18:00
87°
1%
8 mph
19:00
83°
1%
8 mph
20:00
80°
4%
5 mph
21:00
76°
5%
4 mph
22:00
74°
6%
3 mph
23:00
73°
7%
3 mph
00:00
72°
9%
2 mph
01:00
72°
20%
2 mph
02:00
71°
9%
2 mph
03:00
70°
9%
2 mph
04:00
69°
10%
2 mph
05:00
69°
10%
2 mph
06:00
69°
11%
1 mph
07:00
68°
11%
1 mph

Today · Tue 8/18

High 89°
71% / 9.93 in

Sunny. Winds NW at 8 mph.

Tonight · Tue 8/18

Low 68°
5% / –

Sunny. Winds NW at 4 mph.

Tomorrow · Wed 8/19

93° | 68°
4% / –

Sunny. Winds E at 5 mph.

7-day trend

Chattanooga · temperature + precipitation

10-day forecast

Updated 8:45 AM

Details & indices

Wind
3 mph NW
Gusts 3 mph
Humidity
85%
Dew point 73°
Pressure
30.00 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Good
AQI 46 · US EPA
Allergy
Low
Grass
Visibility
1 mi
Reduced
Allergy — Chattanooga

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Low
Ragweed
Low

Sun & moon

Sunrise7:03 AM
Sunset8:26 PM
Length of day13h 23m
Moonrise1:15 PM
Moonset11:32 PM
Moon phase🌓 First Quarter · 35%
Next full moonAug 28 Sturgeon Moon
Latitude35.0456°N
Longitude-85.3097°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
1991-2020 climate normals — Chattanooga

Monthly normals

Full climate page →
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max (°F) 49° 57° 63° 70° 78° 85° 89° 87° 83° 73° 61° 54°
Min (°F) 33° 39° 44° 49° 59° 67° 71° 69° 65° 55° 43° 38°
Precip (in) 5.2 7.0 6.8 5.2 4.6 4.1 4.6 4.9 4.3 3.7 3.5 5.1
Warmest: Jul · ⌀ 89°F Coldest: Jan · ⌀ 33°F Wettest: Feb · 7.0 in
Nearby places in {{REGION}}
🌤️
Nashville
—
— 🌤️
Memphis
—
— 🌤️
Knoxville
—
— 🌤️
Clarksville
—
— 🌤️
Murfreesboro
—
— 🌤️
East Chattanooga
—
—
Data sources · Tuesday, August 18
Where the Chattanooga forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 35.0456°N, -85.3097°.
NBM + global weather models
Updated: 8:45 AM
ZIP codes in Chattanooga
📮
37401
Chattanooga
 📮
37402
Chattanooga
 📮
37403
Chattanooga
 📮
37404
East Ridge
 📮
37405
Chattanooga
 📮
37406
East Chattanooga
 📮
37407
Rossville
 📮
37408
Chattanooga
 📮
37409
Lookout Mountain
 📮
37410
Chattanooga
 📮
37411
East Ridge
 📮
37412
East Ridge
 📮
37414
Chattanooga
 📮
37415
Red Bank
 📮
37416
Chattanooga
 📮
37419
Chattanooga
 📮
37421
Chattanooga
 📮
37422
Chattanooga
 📮
37424
Chattanooga
 📮
37450
Chattanooga
Weather in Chattanooga
The 10-day span for Chattanooga runs from a high near 93° on Wednesday down to 68° overnight on Wednesday. About 11.0 in of precipitation is expected in total; the most likely wet day is Tuesday (89% chance). The NWS alert board for this area is currently clear. Right now Chattanooga is about 11° cooler than nearby Columbus. Longer view: humid-subtropical — long summers, mild winters, spring storm season.
Chattanooga, TN · Elev 676 ft · 35.05°N, 85.31°W · Tennessee · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 8:45 AM