Cupertino, Sunday, 9 August, 05:12
Clear. Feels like 60°. High 89°, low 60°.
In October, Cupertino, CA averages a high of 73.8° and a low of 55.3°. About 1.2 inches of precipitation fall over the month (3 wet days). The record high is 103.1° (2024) and the record low 34.7° (1971). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 77.9° | 58.5° | 7% | 100.4° (1980) | 49.3° (2019) |
| 2 | 77.5° | 57.6° | 8% | 103.1° (2024) | 47.5° (1973) |
| 3 | 77° | 57° | 7% | 101.5° (1980) | 47.5° (2017) |
| 4 | 76.3° | 56.8° | 8% | 99° (1987) | 47.5° (1982) |
| 5 | 77.2° | 56.8° | 8% | 101.8° (1987) | 47.5° (2007) |
| 6 | 77.5° | 57.6° | 7% | 100.6° (2024) | 49.8° (2006) |
| 7 | 77.5° | 57.7° | 3% | 99.3° (1996) | 46° (1982) |
| 8 | 77.5° | 57.6° | 2% | 100.4° (1996) | 48.7° (1985) |
| 9 | 75.9° | 56.7° | 8% | 92.5° (1991) | 46.8° (1960) |
| 10 | 74.7° | 56.3° | 10% | 95.4° (1991) | 46° (2008) |
| 11 | 73.9° | 55.8° | 10% | 89.1° (1992) | 45.7° (2008) |
| 12 | 75.6° | 55.4° | 7% | 91.8° (1978) | 44.8° (2008) |
| 13 | 75.9° | 56.7° | 8% | 94.8° (1978) | 44.4° (1966) |
| 14 | 75.2° | 56.3° | 12% | 97.2° (1961) | 46.6° (2025) |
| 15 | 73.9° | 55.6° | 7% | 97.9° (1961) | 45.9° (1968) |
| 16 | 74.3° | 55° | 12% | 93.6° (2020) | 45.5° (1971) |
| 17 | 75° | 56.1° | 12% | 93.7° (2020) | 45.9° (1984) |
| 18 | 73.9° | 55.6° | 7% | 90.5° (1974) | 46.4° (1984) |
| 19 | 73.8° | 55.8° | 7% | 95° (2023) | 46.6° (2021) |
| 20 | 72.7° | 54.7° | 12% | 91.8° (1964) | 45° (1996) |
| 21 | 72.3° | 54.3° | 10% | 91.4° (1964) | 44.6° (1961) |
| 22 | 71.8° | 54.5° | 13% | 90.9° (1965) | 46° (1985) |
| 23 | 72.5° | 54° | 15% | 93.9° (1965) | 43.2° (1975) |
| 24 | 72.1° | 54.7° | 12% | 90.9° (1965) | 44.4° (1971) |
| 25 | 71.1° | 54° | 18% | 91.2° (1965) | 45° (1996) |
| 26 | 70.9° | 53.2° | 10% | 89.1° (2003) | 43° (2022) |
| 27 | 70.2° | 52.9° | 12% | 89.2° (2003) | 41° (1970) |
| 28 | 68.7° | 52.7° | 15% | 87.6° (2003) | 41.5° (1971) |
| 29 | 68.4° | 51.3° | 17% | 85.1° (1965) | 34.7° (1971) |
| 30 | 67.8° | 51.3° | 15% | 86.4° (1966) | 39° (1972) |
| 31 | 69.1° | 51.6° | 13% | 85.6° (1966) | 43.9° (1984) |