World Resorts USA Chattanooga Weather

Chattanooga weather in August

Weather in Chattanooga: August

Average day temperature: 85.9°F
Average night temperature: 69.2°F
Number of sunny days: 10 days
Day length: 12.9 - 13.9 hours
Number of rainy days: 2 days
Precipitation totals: 1.4 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 93°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during August were 84.0°F and 69.5°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in August is almost equal.

Precipitation total in August, in.

Precipitation total value in Chattanooga in August is 1.4 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 3.5 mph It makes August one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.6.

Best time for vacation in Chattanooga

Sunniest months:
October 17 days
November 16 days
September 14 days
Warmest months:
July 87.6 °F
August 85.9 °F
June 84.4 °F
Coldest months:
January 46.6 °F
December 51.6 °F
February 53.0 °F
Rainiest months:
March 5 days
February 4 days
April 4 days
Windiest months:
March 6.0 mph
April 5.8 mph
February 5.6 mph

Chattanooga on a weather map

Chattanooga
+57°F
N 5 mph
Feels like: +55°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+99°F
+93°F
+66°F
+72°F
+72°F
+37°F
+70°F
+86°F
+72°F
+66°F
+73°F
+39°F
24 Hours Forecast
Chattanooga
Local time: 18:46
March 18, wednesday
2100
46°F
N
4 mph
March 19, thursday
0000
41°F
N
4 mph
0300
39°F
N
3 mph
0600
37°F
N
3 mph
0900
45°F
N
3 mph
1200
59°F
N
6 mph
1500
66°F
NE
6 mph
1800
63°F
NE
5 mph
Units of measurement: °C / °F