October weather in Pleasanton, CA
The average temperature in Pleasanton in October is 63.5°F (49.2°F–77.9°F). Average precipitation: 0.75 inches.
October is a fall month in Pleasanton, and is warmer than the annual average of 59.9°F. Daily temperatures swing about 28.7°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 10h 60m. For travel, October is a comfortable month to visit.
Avg High
77.9°F
Avg Low
49.2°F
Precipitation
0.75 in
Daylight
10h 60m
October records in Pleasanton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 102.9°F (2024) | 41.0°F (2019) | 0.05 in (2006) |
| October 2 | 108.0°F (2024) | 43.0°F (2019) | 0.59 in (2025) |
| October 3 | 105.1°F (2024) | 43.0°F (2019) | 0.10 in (2011) |
| October 4 | 100.9°F (2024) | 43.0°F (2019) | 0.17 in (2008) |
| October 5 | 100.9°F (2024) | 42.1°F (2009) | 0.42 in (2011) |
| October 6 | 102.0°F (2024) | 39.0°F (2007) | 0.39 in (2011) |
| October 7 | 100.9°F (2024) | 41.0°F (2007) | 0.00 in (1998) |
| October 8 | 97.0°F (2024) | 46.0°F (2011) | 0.00 in (1998) |
| October 9 | 93.0°F (2002) | 43.0°F (2007) | 0.07 in (2007) |
| October 10 | 95.0°F (1999) | 43.0°F (1998) | 0.25 in (2007) |
| October 11 | 91.0°F (2010) | 39.9°F (1998) | 0.01 in (2000) |
| October 12 | 95.0°F (2015) | 41.0°F (2017) | 0.71 in (2007) |
| October 13 | 100.9°F (2015) | 41.0°F (2008) | 2.75 in (2009) |
| October 14 | 95.0°F (2010) | 42.1°F (2019) | 0.22 in (2016) |
| October 15 | 91.0°F (2001) | 42.1°F (2003) | 0.45 in (2016) |
| October 16 | 91.9°F (2020) | 42.1°F (2018) | 1.27 in (2016) |
| October 17 | 95.0°F (2020) | 45.0°F (2006) | 0.44 in (2004) |
| October 18 | 91.9°F (2012) | 39.9°F (1998) | 0.00 in (1998) |
| October 19 | 93.9°F (2022) | 39.0°F (2021) | 1.39 in (2004) |
| October 20 | 91.9°F (2022) | 45.0°F (1998) | 0.19 in (2004) |
| October 21 | 93.0°F (2003) | 41.0°F (2004) | 0.06 in (2021) |
| October 22 | 87.1°F (2006) | 45.0°F (2017) | 0.54 in (2021) |
| October 23 | 89.1°F (2008) | 41.0°F (2022) | 0.15 in (2004) |
| October 24 | 91.0°F (2017) | 42.1°F (2022) | 3.57 in (2021) |
| October 25 | 91.9°F (2019) | 43.0°F (1998) | 0.82 in (2021) |
| October 26 | 91.9°F (2003) | 41.0°F (2010) | 0.82 in (2004) |
| October 27 | 91.9°F (2003) | 37.0°F (2023) | 0.67 in (2016) |
| October 28 | 91.9°F (2003) | 37.9°F (2004) | 0.44 in (2016) |
| October 29 | 84.0°F (2008) | 37.9°F (2009) | 0.46 in (2000) |
| October 30 | 86.0°F (2015) | 39.0°F (1998) | 0.36 in (2016) |
| October 31 | 88.0°F (2015) | 34.0°F (2002) | 0.10 in (2014) |