As of 00:39 PDT

Vacaville, CA weather in August

66°

Vacaville, Sunday, 9 August, 00:39

Clear. Feels like 65°. High 99°, low 63°.

Pressure29.80 inHg

Wind5 mph SW

Humidity73%

Visibility6.2 mi

Dew point57°

See detailed hourly forecast

In August, Vacaville, CA averages a high of 89.3° and a low of 59.8°. About 0.1 inches of precipitation fall over the month (0 wet days). The record high is 111° (2020) and the record low 52° (1973). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	91.4°	60.3°	0%	106.7° (1993)	55.2° (1962)
2	91.2°	60.3°	0%	102.9° (1993)	54.9° (1962)
3	90.7°	60.1°	0%	106.9° (1998)	54.7° (1962)
4	88.9°	59.9°	0%	108.3° (1998)	54° (2002)
5	88.9°	59.5°	0%	102.9° (1978)	55.8° (1979)
6	90.5°	59.9°	0%	104.9° (1978)	54.5° (2013)
7	90.3°	60.6°	0%	102.7° (1981)	55.4° (1973)
8	90.7°	60.4°	2%	103.5° (1984)	55° (2006)
9	91.4°	60.6°	0%	108.5° (1971)	54.3° (1973)
10	90.3°	60.3°	0%	105.3° (1971)	53.2° (1960)
11	89.8°	59.9°	0%	105.1° (1996)	54.9° (1987)
12	89.6°	59.5°	0%	102.4° (1996)	55.6° (1989)
13	89.4°	59.5°	0%	102.6° (1996)	54.5° (1974)
14	89.4°	60.1°	2%	107.1° (2020)	54.7° (1985)
15	89.6°	59.7°	2%	107.4° (2020)	53.8° (1976)
16	90.5°	59.9°	0%	107.8° (2020)	53.8° (1976)
17	89.1°	59.9°	3%	111° (2020)	54.7° (2006)
18	88°	59.7°	2%	107.4° (2020)	54° (1973)
19	86.7°	59°	3%	105.8° (2020)	53.6° (1980)
20	87.4°	59°	3%	101.7° (1964)	53.2° (1973)
21	87.3°	59.2°	0%	102.4° (2025)	54.3° (1968)
22	87.4°	59.2°	5%	98.4° (2020)	52.7° (1973)
23	88.3°	59.5°	0%	100.4° (2010)	52° (1973)
24	88.5°	59.5°	0%	104.2° (2010)	52.9° (2021)
25	88°	59.4°	0%	105.6° (1972)	53.8° (2021)
26	88.5°	58.8°	0%	103.6° (1988)	54.1° (1970)
27	90°	60.1°	0%	104° (2017)	53.2° (2012)
28	90.7°	60.4°	0%	106.3° (2008)	55° (1995)
29	89.4°	60.1°	0%	102.7° (1977)	52.5° (1980)
30	88.7°	60.1°	3%	102.6° (2023)	54° (2010)
31	89.1°	59.7°	0%	101.3° (1998)	53.8° (1970)