As of 09:29 EDT

Chattanooga, TN weather in August

74°

Chattanooga, Sunday, 9 August, 09:29

Overcast. Feels like 76°. High 83°, low 72°.

Pressure30.15 inHg

Wind1 mph E

Humidity95%

Visibility6.2 mi

Dew point73°

See detailed hourly forecast

In August, Chattanooga, TN averages a high of 86.2° and a low of 69.5°. About 3.6 inches of precipitation fall over the month (12 wet days). The record high is 103.1° (2007) and the record low 55.9° (1964). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	86.5°	70.2°	45%	95.5° (1987)	62.8° (1965)
2	86.4°	69.6°	40%	97.3° (2011)	61.3° (1965)
3	86.5°	69.8°	37%	99° (2011)	61.3° (1965)
4	86.7°	70.2°	52%	97° (2010)	63.1° (2014)
5	87.1°	70.2°	40%	96.6° (2007)	62.1° (1974)
6	86.4°	70.2°	48%	94.8° (2007)	61.5° (1967)
7	86.2°	70.2°	60%	96.6° (2007)	59° (2004)
8	86.2°	69.8°	43%	97.3° (1980)	58.6° (2004)
9	86.4°	69.8°	48%	101.1° (2007)	57.4° (1989)
10	86.4°	70.3°	47%	97.5° (1980)	59.7° (1976)
11	86.2°	70°	47%	97.7° (2007)	60.8° (1967)
12	85.5°	69.6°	38%	96.1° (1999)	59° (2012)
13	85.8°	69.1°	35%	99.5° (2007)	55.9° (1964)
14	86°	69.1°	33%	99.7° (2007)	57.4° (1967)
15	86.4°	69.1°	32%	101.8° (2007)	59.4° (2004)
16	86.9°	69.6°	37%	103.1° (2007)	60.4° (2004)
17	86.4°	70.2°	42%	100.9° (2007)	62.1° (2008)
18	86.9°	69.8°	33%	99.5° (2007)	63.7° (1976)
19	87.1°	69.8°	40%	95.9° (2019)	61.7° (1977)
20	86.7°	69.6°	47%	98.1° (1983)	60.1° (2012)
21	86°	70°	40%	101.3° (1983)	59.9° (2024)
22	86.4°	69.1°	33%	100.6° (2007)	59.4° (1982)
23	86°	69.1°	30%	100.2° (2007)	57.9° (1997)
24	86.4°	68.9°	30%	98.6° (1983)	57.4° (1997)
25	85.8°	68.9°	30%	97.9° (2023)	59.4° (2015)
26	86°	68.9°	27%	96.6° (2023)	57.7° (1966)
27	86.2°	69.4°	33%	93.7° (1975)	59.9° (1966)
28	86°	68.5°	30%	97.2° (1990)	55.9° (1967)
29	86°	68.5°	38%	95.7° (1990)	56.8° (1968)
30	85.1°	68.7°	40%	95.7° (2024)	57.6° (1965)
31	84.7°	68.7°	37%	93.6° (1962)	61.3° (1986)