As of 09:53 CDT

St. Louis, MO weather in August

83°

St. Louis, Sunday, 9 August, 09:53

Mostly clear. Feels like 90°. High 97°, low 72°.

Pressure30.00 inHg

Wind3 mph S

Humidity78%

Visibility6.2 mi

Dew point75°

See detailed hourly forecast

In August, St. Louis, MO averages a high of 86.4° and a low of 69.2°. About 3.1 inches of precipitation fall over the month (9 wet days). The record high is 103.5° (2007) and the record low 49.8° (1986). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	87.1°	69.3°	25%	99.7° (1980)	55.8° (1971)
2	87.4°	69.4°	37%	102° (1987)	59.4° (1971)
3	88°	70.2°	33%	101.7° (2010)	58.5° (1976)
4	86.9°	70.3°	35%	99.7° (2010)	58.5° (1976)
5	86.4°	70.2°	32%	98.4° (2007)	57.9° (1974)
6	86.5°	69.8°	35%	98.6° (1960)	55.9° (1994)
7	86.7°	69.8°	28%	100.4° (2007)	56.3° (1990)
8	88°	70.5°	35%	101.1° (2007)	56.5° (1976)
9	87.4°	70.3°	32%	98.8° (1980)	57.6° (1976)
10	86.7°	70.2°	32%	99.3° (2006)	56.7° (1972)
11	85.6°	69.3°	25%	98.2° (2010)	57.7° (1967)
12	85.8°	68.4°	25%	102° (2007)	53.1° (1967)
13	85.6°	68.4°	35%	99° (2010)	52° (2004)
14	85.5°	68.5°	35%	102.4° (2007)	55.6° (2004)
15	85.5°	68.7°	40%	103.5° (2007)	55.4° (2004)
16	86.2°	69.6°	42%	100.6° (1988)	55.2° (2004)
17	87.3°	69.6°	30%	100° (1988)	57.6° (1992)
18	87.4°	70°	27%	99.3° (1995)	59° (1976)
19	86.7°	69.8°	30%	101.1° (1962)	59.5° (1977)
20	86.2°	69.3°	37%	101.8° (1962)	57.2° (1963)
21	86°	68.7°	25%	100° (1983)	56.3° (1967)
22	86.2°	68.7°	20%	97.3° (1983)	54.5° (2024)
23	85.6°	68.9°	25%	96.8° (1968)	57.4° (2024)
24	86.4°	68.2°	30%	99.5° (2023)	57.4° (2015)
25	87.3°	68.5°	25%	100.4° (2023)	56.1° (2015)
26	86.9°	68.9°	32%	99° (1983)	57.6° (2015)
27	86.7°	69.4°	28%	98.4° (1983)	56.5° (2015)
28	86.5°	68.7°	27%	97.7° (1990)	55.2° (1967)
29	85.5°	68°	27%	97.5° (1984)	49.8° (1986)
30	84.9°	68°	28%	97.9° (2013)	52.5° (1986)
31	84.7°	68°	32%	101.8° (2013)	56.5° (1967)