- Latitude: 33.9
- Longitude: -117.25
High Temperatures
On October 20 in this location the average high temperature is 80.8 °F (27.1 °C). The lowest recored high temperature was 57.9 °F (14.4 °C) in 1972 and the highest recored high temperature was 100.9 °F (38.3 °C) in 2003. The high temperature is usually* between 74.7 °F (23.7 °C) and 86.8 °F (30.4 °C). About a quarter of the time, the high temperature is less than 74.7 °F (23.7 °C), and another quarter of the time, the high temperature is greater than and 86.8 °F (30.4 °C). About 95% of the time, the high temperature has been between 63.2 °F (17.4 °C) and 98.3 °F (36.8 °C).
Low Temperatures
On October 20 in this location the average low temperature is 51.3 °F (10.7 °C). The lowest recored low temperature was 30.9 °F (-0.6 °C) in 1949 and the lowest recored low temperature was 75.0 °F (23.9 °C) in 2016. The low temperature is usually* between 47.9 °F (8.8 °C) and 54.7 °F (12.6 °C). About a quarter of the time, the low temperature is less than 47.9 °F (8.8 °C), and another quarter of the time, the low temperature is greater than and 54.7 °F (12.6 °C). About 95% of the time, the low temperature has been between 41.5 °F (5.3 °C) and 61.1 °F (16.2 °C).
Frost
On October 20 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 1933 to 2024
- NORTON AAF — Weather Bureau Army Navy (WBAN): 23122 — from year 2014 to 2024
- RIVERSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722869 — Weather Bureau Army Navy (WBAN): 03171 — 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
- HEMET RYAN — Integrated Surface Dataset (ISD) station ID: 720687 — from year 2020 to 2024
- 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
- 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
- BEAUMONT — Integrated Surface Dataset (ISD) station ID: 722867 — from year 2000 to 2000
- BEAUMONT — Integrated Surface Dataset (ISD) station ID: 722867 — Weather Bureau Army Navy (WBAN): 23156 — from year 1973 to 1999
- SAN BERNARDINO INTERNATIONAL — Integrated Surface Dataset (ISD) station ID: 722866 — Weather Bureau Army Navy (WBAN): 23122 — from year 1943 to 1992
- BEAUMONT 1 E — Weather Bureau Army Navy (WBAN): 23156 — from year 1948 to 1952