- Latitude: 34.095
- Longitude: -117.235
High Temperatures
On October 28 in this location the average high temperature is 77.9 °F (25.5 °C). The lowest recored high temperature was 57.9 °F (14.4 °C) in 1974 and the highest recored high temperature was 98.1 °F (36.7 °C) in 2008. The high temperature is usually* between 71.8 °F (22.1 °C) and 84.0 °F (28.9 °C). About a quarter of the time, the high temperature is less than 71.8 °F (22.1 °C), and another quarter of the time, the high temperature is greater than and 84.0 °F (28.9 °C). About 95% of the time, the high temperature has been between 60.2 °F (15.6 °C) and 95.7 °F (35.4 °C).
Low Temperatures
On October 28 in this location the average low temperature is 49.7 °F (9.9 °C). The lowest recored low temperature was 35.1 °F (1.7 °C) in 2011 and the lowest recored low temperature was 68.0 °F (20.0 °C) in 1973. The low temperature is usually* between 46.4 °F (8.0 °C) and 53.1 °F (11.7 °C). About a quarter of the time, the low temperature is less than 46.4 °F (8.0 °C), and another quarter of the time, the low temperature is greater than and 53.1 °F (11.7 °C). About 95% of the time, the low temperature has been between 39.9 °F (4.4 °C) and 59.6 °F (15.3 °C).
Frost
On October 28 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
- 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