- Latitude: 34.067
- Longitude: -117.65
High Temperatures
On October 8 in this location the average high temperature is 86.2 °F (30.1 °C). The lowest recored high temperature was 66.2 °F (19.0 °C) in 2021 and the highest recored high temperature was 100.9 °F (38.3 °C) in 2008. The high temperature is usually* between 80.3 °F (26.8 °C) and 92.1 °F (33.4 °C). About a quarter of the time, the high temperature is less than 80.3 °F (26.8 °C), and another quarter of the time, the high temperature is greater than and 92.1 °F (33.4 °C). About 95% of the time, the high temperature has been between 69.1 °F (20.6 °C) and 103.3 °F (39.6 °C).
Low Temperatures
On October 8 in this location the average low temperature is 57.2 °F (14.0 °C). The lowest recored low temperature was 39.2 °F (4.0 °C) in 2007 and the lowest recored low temperature was 75.0 °F (23.9 °C) in 1951. The low temperature is usually* between 53.5 °F (11.9 °C) and 61.0 °F (16.1 °C). About a quarter of the time, the low temperature is less than 53.5 °F (11.9 °C), and another quarter of the time, the low temperature is greater than and 61.0 °F (16.1 °C). About 95% of the time, the low temperature has been between 46.3 °F (7.9 °C) and 68.2 °F (20.1 °C).
Frost
On October 8 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- NORTON AAF — Weather Bureau Army Navy (WBAN): 23122 — from year 2014 to 2024
- ONTARIO INTERNATIONAL ARPT — Integrated Surface Dataset (ISD) station ID: 747040 — Weather Bureau Army Navy (WBAN): 03102 — from year 2005 to 2024
- RIVERSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722869 — Weather Bureau Army Navy (WBAN): 03171 — from year 2006 to 2024
- CHINO AIRPORT — Integrated Surface Dataset (ISD) station ID: 722899 — Weather Bureau Army Navy (WBAN): 03179 — from year 2006 to 2024
- CORONA MUNICIPAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 720333 — Weather Bureau Army Navy (WBAN): 53175 — from year 2011 to 2024
- BRACKETT FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722887 — Weather Bureau Army Navy (WBAN): 03180 — from year 2012 to 2024
- CABLE — Integrated Surface Dataset (ISD) station ID: 720329 — from year 2018 to 2024
- CORONA MUNI — Integrated Surface Dataset (ISD) station ID: 720333 — from year 2006 to 2017
- RIVERSIDE MUNI — Integrated Surface Dataset (ISD) station ID: 722869 — from year 1998 to 2005
- CHINO — Integrated Surface Dataset (ISD) station ID: 722899 — from year 1998 to 2005
- ONTARIO INTL ARPT — Integrated Surface Dataset (ISD) station ID: 747040 — from year 2001 to 2004
- ONTARIO — Integrated Surface Dataset (ISD) station ID: 722865 — from year 2000 to 2000
- ONTARIO — Integrated Surface Dataset (ISD) station ID: 722865 — Weather Bureau Army Navy (WBAN): 93180 — from year 1943 to 1999
- ONTARIO INTERNATIONAL ARPT — Weather Bureau Army Navy (WBAN): 03102 — from year 1968 to 1972