- Latitude: 34.1
- Longitude: -117.25
High Temperatures
On October 26 in this location the average high temperature is 79.5 °F (26.4 °C). The lowest recored high temperature was 58.3 °F (14.6 °C) in 1940 and the highest recored high temperature was 99.0 °F (37.2 °C) in 2017. The high temperature is usually* between 73.8 °F (23.2 °C) and 85.3 °F (29.6 °C). About a quarter of the time, the high temperature is less than 73.8 °F (23.2 °C), and another quarter of the time, the high temperature is greater than and 85.3 °F (29.6 °C). About 95% of the time, the high temperature has been between 62.9 °F (17.1 °C) and 96.2 °F (35.7 °C).
Low Temperatures
On October 26 in this location the average low temperature is 51.3 °F (10.7 °C). The lowest recored low temperature was 37.0 °F (2.8 °C) in 1989 and the lowest recored low temperature was 80.6 °F (27.0 °C) in 2003. The low temperature is usually* between 47.8 °F (8.8 °C) and 54.7 °F (12.6 °C). About a quarter of the time, the low temperature is less than 47.8 °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 41.3 °F (5.1 °C) and 61.3 °F (16.3 °C).
Frost
On October 26 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
- 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
- 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
- ONTARIO — Integrated Surface Dataset (ISD) station ID: 722865 — from year 2000 to 2000
- BEAUMONT — Integrated Surface Dataset (ISD) station ID: 722867 — from year 2000 to 2000
- ONTARIO — Integrated Surface Dataset (ISD) station ID: 722865 — Weather Bureau Army Navy (WBAN): 93180 — from year 1943 to 1999
- 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
- ONTARIO INTERNATIONAL ARPT — Weather Bureau Army Navy (WBAN): 03102 — from year 1968 to 1972
- BEAUMONT 1 E — Weather Bureau Army Navy (WBAN): 23156 — from year 1948 to 1952