- Latitude: 33.975
- Longitude: -117.636
High Temperatures
On April 14 in this location the average high temperature is 75.6 °F (24.2 °C). The lowest recored high temperature was 55.4 °F (13.0 °C) in 2024 and the highest recored high temperature was 97.9 °F (36.6 °C) in 2008. The high temperature is usually* between 69.8 °F (21.0 °C) and 81.5 °F (27.5 °C). About a quarter of the time, the high temperature is less than 69.8 °F (21.0 °C), and another quarter of the time, the high temperature is greater than and 81.5 °F (27.5 °C). About 95% of the time, the high temperature has been between 58.6 °F (14.8 °C) and 92.7 °F (33.7 °C).
Low Temperatures
On April 14 in this location the average low temperature is 49.0 °F (9.4 °C). The lowest recored low temperature was 34.9 °F (1.6 °C) in 2007 and the lowest recored low temperature was 60.8 °F (16.0 °C) in 2018. The low temperature is usually* between 45.8 °F (7.7 °C) and 52.2 °F (11.2 °C). About a quarter of the time, the low temperature is less than 45.8 °F (7.7 °C), and another quarter of the time, the low temperature is greater than and 52.2 °F (11.2 °C). About 95% of the time, the low temperature has been between 39.6 °F (4.2 °C) and 58.4 °F (14.7 °C).
Frost
On April 14 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:
- ONTARIO INTERNATIONAL ARPT — Integrated Surface Dataset (ISD) station ID: 747040 — Weather Bureau Army Navy (WBAN): 03102 — from year 2005 to 2025
- RIVERSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722869 — Weather Bureau Army Navy (WBAN): 03171 — from year 2006 to 2025
- CHINO AIRPORT — Integrated Surface Dataset (ISD) station ID: 722899 — Weather Bureau Army Navy (WBAN): 03179 — from year 2006 to 2025
- FULLERTON MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722976 — Weather Bureau Army Navy (WBAN): 03166 — from year 2006 to 2025
- CORONA MUNICIPAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 720333 — Weather Bureau Army Navy (WBAN): 53175 — from year 2011 to 2025
- BRACKETT FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722887 — Weather Bureau Army Navy (WBAN): 03180 — from year 2013 to 2025
- CABLE — Integrated Surface Dataset (ISD) station ID: 720329 — from year 2018 to 2025
- CORONA MUNI — Integrated Surface Dataset (ISD) station ID: 720333 — from year 2007 to 2017
- RIVERSIDE MUNI — Integrated Surface Dataset (ISD) station ID: 722869 — from year 1999 to 2005
- CHINO — Integrated Surface Dataset (ISD) station ID: 722899 — from year 1999 to 2005
- ONTARIO INTL ARPT — Integrated Surface Dataset (ISD) station ID: 747040 — from year 2002 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