As of 17:35 PDT

Cupertino, CA weather in August

79°

Cupertino, Saturday, 8 August, 17:35

Clear. Feels like 79°. High 84°, low 60°.

Pressure29.85 inHg

Wind5 mph W

Humidity59%

Visibility6.2 mi

Dew point62°

See detailed hourly forecast

In August, Cupertino, CA averages a high of 81.2° and a low of 58.7°. About 0.1 inches of precipitation fall over the month (0 wet days). The record high is 102.6° (1998) and the record low 48.9° (1973). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	82.6°	59°	2%	102.2° (1993)	51.3° (1989)
2	82.4°	59.2°	0%	97° (1993)	52.9° (1962)
3	81.1°	58.8°	0%	102.6° (1998)	52.9° (1981)
4	80.4°	58.8°	0%	102.6° (1998)	52.5° (1982)
5	80.6°	58.1°	0%	96.1° (1978)	51.4° (1970)
6	82°	59°	2%	100.9° (1983)	50.4° (2002)
7	81.9°	59°	0%	97.2° (1984)	52.7° (1975)
8	82.8°	59.4°	2%	96.4° (1984)	52.3° (2006)
9	82.8°	59.4°	0%	97.5° (2002)	53.6° (1973)
10	81.9°	59.2°	0%	95.9° (1996)	53.6° (1960)
11	81°	58.8°	0%	92.7° (1998)	52.9° (1995)
12	81°	58.5°	0%	97.2° (1996)	52.9° (1979)
13	81.3°	58.6°	2%	97.3° (1996)	52° (1988)
14	81.5°	58.8°	5%	100.2° (2020)	52.2° (1972)
15	81.3°	58.8°	2%	97.2° (1962)	51.6° (1972)
16	81.9°	58.6°	0%	100.6° (2020)	51.4° (1972)
17	80.8°	58.6°	2%	95.5° (1967)	52° (1978)
18	79.9°	58.1°	3%	97.5° (2020)	52.9° (1973)
19	79°	57.9°	7%	95° (1961)	52° (2007)
20	79.3°	57.7°	3%	91.2° (2025)	51.3° (2000)
21	79.9°	57.9°	2%	94.3° (2025)	52.7° (1987)
22	79.7°	58.1°	2%	92.5° (1999)	51.8° (1973)
23	81°	58.3°	0%	94.8° (2023)	48.9° (1973)
24	81.1°	58.8°	2%	101.7° (2010)	52.7° (1973)
25	80.1°	58.5°	2%	95.7° (1988)	53.6° (1970)
26	81.1°	58.1°	0%	94.3° (1999)	53.2° (1970)
27	82.8°	59.2°	0%	97° (1962)	51.3° (1960)
28	83.3°	59.5°	0%	99.9° (2021)	52° (1995)
29	81.5°	59.4°	2%	97.3° (1968)	51.4° (1980)
30	80.1°	59°	2%	93.9° (2007)	50.5° (2010)
31	81.1°	58.6°	0%	94.8° (2025)	52.7° (2008)