October weather in Walnut Creek, CA
The average temperature in Walnut Creek in October is 65.6°F (53.1°F–78.2°F). Average precipitation: 0.68 inches.
October is a fall month in Walnut Creek, and is warmer than the annual average of 62.4°F. Daily temperatures swing about 25.1°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 10h 59m. For travel, October is one of the best months of the year to visit.
Avg High
78.2°F
Avg Low
53.1°F
Precipitation
0.68 in
Daylight
10h 59m
October records in Walnut Creek
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 96.1°F (2001) | 48.9°F (2009) | 0.01 in (2015) |
| October 2 | 90.0°F (1995) | 46.0°F (2009) | 0.10 in (2016) |
| October 3 | 98.1°F (1991) | 48.0°F (2002) | 0.02 in (2011) |
| October 4 | 99.0°F (1991) | 48.0°F (2009) | 0.14 in (2011) |
| October 5 | 93.0°F (2014) | 46.0°F (2009) | 0.52 in (2011) |
| October 6 | 91.9°F (1992) | 45.0°F (2007) | 0.10 in (2011) |
| October 7 | 95.0°F (1996) | 46.0°F (2007) | 0.00 in (1991) |
| October 8 | 97.0°F (1996) | 46.0°F (2009) | 0.00 in (1991) |
| October 9 | 98.1°F (1996) | 46.9°F (2009) | 0.61 in (1997) |
| October 10 | 97.0°F (1991) | 46.0°F (2009) | 0.32 in (2007) |
| October 11 | 97.0°F (1991) | 44.1°F (1997) | 0.07 in (2000) |
| October 12 | 91.0°F (1999) | 45.0°F (1997) | 0.90 in (2007) |
| October 13 | 91.9°F (2015) | 46.9°F (2010) | 2.00 in (2009) |
| October 14 | 93.0°F (2015) | 46.9°F (2010) | 0.65 in (2009) |
| October 15 | 90.0°F (1991) | 48.0°F (2017) | 0.20 in (2016) |
| October 16 | 88.0°F (1991) | 46.9°F (1998) | 0.29 in (2016) |
| October 17 | 86.0°F (2011) | 46.9°F (1994) | 0.35 in (2016) |
| October 18 | 88.0°F (1991) | 46.0°F (1998) | 0.10 in (2004) |
| October 19 | 89.1°F (1991) | 43.0°F (2013) | 0.90 in (2004) |
| October 20 | 89.1°F (1991) | 42.1°F (1996) | 0.30 in (2004) |
| October 21 | 88.0°F (1991) | 42.1°F (1996) | 0.25 in (1992) |
| October 22 | 86.0°F (2003) | 44.1°F (1996) | 0.07 in (2010) |
| October 23 | 86.0°F (2008) | 45.0°F (1991) | 0.06 in (2004) |
| October 24 | 84.9°F (2003) | 45.0°F (1995) | 0.50 in (2010) |
| October 25 | 89.1°F (2017) | 46.0°F (1999) | 0.15 in (2014) |
| October 26 | 89.1°F (2003) | 44.1°F (2011) | 1.74 in (1991) |
| October 27 | 90.0°F (2003) | 43.0°F (2010) | 0.10 in (2000) |
| October 28 | 91.0°F (2003) | 44.1°F (1996) | 0.70 in (2016) |
| October 29 | 87.1°F (2003) | 43.0°F (2009) | 0.70 in (1992) |
| October 30 | 82.9°F (2015) | 44.1°F (1994) | 0.57 in (2016) |
| October 31 | 84.0°F (2015) | 39.9°F (1991) | 0.30 in (2014) |