- Latitude: 33.975
- Longitude: -117.636
High Temperatures
On November 19 in this location the average high temperature is 73.7 °F (23.2 °C). The lowest recored high temperature was 57.9 °F (14.4 °C) in 1994 and the highest recored high temperature was 93.9 °F (34.4 °C) in 2019. The high temperature is usually* between 68.4 °F (20.2 °C) and 79.0 °F (26.1 °C). About a quarter of the time, the high temperature is less than 68.4 °F (20.2 °C), and another quarter of the time, the high temperature is greater than and 79.0 °F (26.1 °C). About 95% of the time, the high temperature has been between 58.4 °F (14.7 °C) and 89.0 °F (31.7 °C).
Low Temperatures
On November 19 in this location the average low temperature is 46.9 °F (8.3 °C). The lowest recored low temperature was 30.0 °F (-1.1 °C) in 2016 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1949. The low temperature is usually* between 42.4 °F (5.8 °C) and 51.5 °F (10.8 °C). About a quarter of the time, the low temperature is less than 42.4 °F (5.8 °C), and another quarter of the time, the low temperature is greater than and 51.5 °F (10.8 °C). About 95% of the time, the low temperature has been between 33.7 °F (1.0 °C) and 60.1 °F (15.6 °C).
Frost
On November 19 in this location expect the temperatures to drop below freezing for a risk of frost about 1.3% 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:
- 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
- FULLERTON MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722976 — Weather Bureau Army Navy (WBAN): 03166 — 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 2019 to 2023
- CORONA MUNI — Integrated Surface Dataset (ISD) station ID: 720333 — from year 2006 to 2016
- 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