October weather in Fontana, CA

The average temperature in Fontana in October is 69.8°F (57.1°F–82.6°F). Average precipitation: 0.41 inches.

October is a fall month in Fontana, and is warmer than the annual average of 66.8°F. Daily temperatures swing about 25.5°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 11h 7m. For travel, October is a comfortable month to visit.

Avg High
82.6°F
Avg Low
57.1°F
Precipitation
0.41 in
Daylight
11h 7m

October records in Fontana

Date Record High Record Low Record Precip
October 1 107.1°F (2012) 52.0°F (2019) 0.00 in (1998)
October 2 105.1°F (2020) 52.0°F (2023) 0.00 in (1998)
October 3 100.9°F (2020) 50.0°F (2002) 0.00 in (1998)
October 4 102.0°F (2014) 51.1°F (2009) 0.12 in (2015)
October 5 100.0°F (2014) 50.0°F (2009) 0.97 in (2011)
October 6 100.9°F (2023) 48.0°F (2007) 0.45 in (2010)
October 7 99.0°F (2023) 48.0°F (2011) 0.00 in (1998)
October 8 98.1°F (2008) 50.0°F (2011) 0.06 in (2021)
October 9 102.9°F (2015) 48.9°F (2013) 0.09 in (2013)
October 10 100.0°F (2015) 48.0°F (2013) 0.00 in (1998)
October 11 98.1°F (2015) 48.9°F (2008) 0.16 in (2012)
October 12 100.0°F (2011) 48.0°F (2008) 0.39 in (2018)
October 13 100.0°F (1999) 48.9°F (2000) 0.33 in (2007)
October 14 99.0°F (2020) 48.0°F (2000) 1.08 in (2025)
October 15 100.0°F (2020) 50.0°F (2000) 0.30 in (2022)
October 16 102.0°F (2020) 51.1°F (1998) 0.05 in (2015)
October 17 100.9°F (2012) 52.0°F (1998) 0.87 in (2005)
October 18 100.9°F (2023) 44.1°F (1998) 0.57 in (2005)
October 19 98.1°F (2003) 50.0°F (2021) 0.07 in (2004)
October 20 100.9°F (2003) 48.9°F (2002) 0.97 in (2004)
October 21 100.9°F (2003) 50.0°F (2004) 0.03 in (2010)
October 22 100.0°F (2003) 50.0°F (2004) 0.03 in (2010)
October 23 104.0°F (2017) 50.0°F (2004) 0.25 in (2016)
October 24 102.0°F (2017) 50.0°F (2004) 0.30 in (2016)
October 25 99.0°F (2017) 51.1°F (1998) 0.18 in (2010)
October 26 95.0°F (2017) 46.9°F (1998) 1.04 in (2004)
October 27 96.1°F (2008) 46.0°F (2011) 1.37 in (2004)
October 28 97.0°F (2008) 46.9°F (2010) 0.11 in (2013)
October 29 95.0°F (2008) 43.0°F (2009) 0.39 in (2000)
October 30 91.9°F (2025) 44.1°F (2019) 0.04 in (2010)
October 31 91.0°F (1999) 41.0°F (2019) 0.18 in (2014)

Other months in Fontana