- Latitude: 33.952
- Longitude: -117.439
High Temperatures
On October 5 in this location the average high temperature is 85.2 °F (29.6 °C). The lowest recored high temperature was 62.6 °F (17.0 °C) in 2010 and the highest recored high temperature was 107.1 °F (41.7 °C) in 1987. The high temperature is usually* between 79.5 °F (26.4 °C) and 90.9 °F (32.7 °C). About a quarter of the time, the high temperature is less than 79.5 °F (26.4 °C), and another quarter of the time, the high temperature is greater than and 90.9 °F (32.7 °C). About 95% of the time, the high temperature has been between 68.7 °F (20.4 °C) and 101.8 °F (38.8 °C).
Low Temperatures
On October 5 in this location the average low temperature is 55.4 °F (13.0 °C). The lowest recored low temperature was 35.6 °F (2.0 °C) in 2009 and the lowest recored low temperature was 78.1 °F (25.6 °C) in 1953. The low temperature is usually* between 51.8 °F (11.0 °C) and 58.9 °F (15.0 °C). About a quarter of the time, the low temperature is less than 51.8 °F (11.0 °C), and another quarter of the time, the low temperature is greater than and 58.9 °F (15.0 °C). About 95% of the time, the low temperature has been between 45.1 °F (7.3 °C) and 65.7 °F (18.7 °C).
Frost
On October 5 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:
- MARCH AIR RESERVE BASE — Integrated Surface Dataset (ISD) station ID: 722860 — Weather Bureau Army Navy (WBAN): 23119 — from year 1934 to 2024
- 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
- SAN BERNARDINO INTL — Integrated Surface Dataset (ISD) station ID: 722866 — from year 2009 to 2024
- CORONA MUNICIPAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 720333 — Weather Bureau Army Navy (WBAN): 53175 — from year 2011 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
- RIVERSIDE/MARCH AFB — Integrated Surface Dataset (ISD) station ID: 722860 — from year 2000 to 2004
- 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
- SAN BERNARDINO INTERNATIONAL — Integrated Surface Dataset (ISD) station ID: 722866 — Weather Bureau Army Navy (WBAN): 23122 — from year 1943 to 1992
- ONTARIO INTERNATIONAL ARPT — Weather Bureau Army Navy (WBAN): 03102 — from year 1968 to 1972