- Latitude: 33.6
- Longitude: -117.88
High Temperatures
On September 30 in this location the average high temperature is 80.7 °F (27.1 °C). The lowest recored high temperature was 61.9 °F (16.6 °C) in 1995 and the highest recored high temperature was 105.1 °F (40.6 °C) in 2020. The high temperature is usually* between 75.6 °F (24.2 °C) and 85.8 °F (29.9 °C). About a quarter of the time, the high temperature is less than 75.6 °F (24.2 °C), and another quarter of the time, the high temperature is greater than and 85.8 °F (29.9 °C). About 95% of the time, the high temperature has been between 65.8 °F (18.8 °C) and 95.5 °F (35.3 °C).
Low Temperatures
On September 30 in this location the average low temperature is 60.7 °F (15.9 °C). The lowest recored low temperature was 9.9 °F (-12.3 °C) in 1995 and the lowest recored low temperature was 73.4 °F (23.0 °C) in 1997. The low temperature is usually* between 57.7 °F (14.3 °C) and 63.6 °F (17.6 °C). About a quarter of the time, the low temperature is less than 57.7 °F (14.3 °C), and another quarter of the time, the low temperature is greater than and 63.6 °F (17.6 °C). About 95% of the time, the low temperature has been between 52.1 °F (11.2 °C) and 69.2 °F (20.7 °C).
Frost
On September 30 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:
- J. WAYNE APT-ORANGE CO APT — Integrated Surface Dataset (ISD) station ID: 722977 — Weather Bureau Army Navy (WBAN): 93184 — from year 1940 to 2024
- LONG BEACH / DAUGHERTY FIELD — Integrated Surface Dataset (ISD) station ID: 722970 — Weather Bureau Army Navy (WBAN): 23129 — from year 1943 to 2024
- LOS ALAMITOS AAF AIRPORT — Integrated Surface Dataset (ISD) station ID: 722975 — Weather Bureau Army Navy (WBAN): 53141 — from year 2006 to 2024
- LOS ALAMITOS AAF — Integrated Surface Dataset (ISD) station ID: 722975 — from year 2001 to 2005
- JOHN WAYNE ARPT ORA — Integrated Surface Dataset (ISD) station ID: 722977 — from year 2000 to 2003
- LOS ALAMITOS AAF — Integrated Surface Dataset (ISD) station ID: 722975 — Weather Bureau Army Navy (WBAN): 93106 — from year 1982 to 1999
- EL TORO MCAS — Integrated Surface Dataset (ISD) station ID: 690140 — Weather Bureau Army Navy (WBAN): 93101 — from year 1989 to 1998
- FOB DWYER — Integrated Surface Dataset (ISD) station ID: 690160 — Weather Bureau Army Navy (WBAN): 93114 — from year 1990 to 1998
- NEWPORT BEACH — Integrated Surface Dataset (ISD) station ID: 722973 — from year 1984 to 1995
- TUSTIN MCAF — Integrated Surface Dataset (ISD) station ID: 722915 — Weather Bureau Army Navy (WBAN): 93114 — from year 1976 to 1989
- LONG BEACH — Integrated Surface Dataset (ISD) station ID: 722974 — from year 1977 to 1989
- EL TORO MCAS — Weather Bureau Army Navy (WBAN): 93101 — from year 1945 to 1988
- EL TORO(USMC) — Integrated Surface Dataset (ISD) station ID: 722908 — from year 1973 to 1988
- HUNTINGTON BEACH — Integrated Surface Dataset (ISD) station ID: 722978 — from year 1973 to 1976
- MARINE CORPS AIR STATION — Weather Bureau Army Navy (WBAN): 93114 — from year 1945 to 1975
- SANTA ANA — Weather Bureau Army Navy (WBAN): 93184 — from year 1968 to 1972
- LOS ALAMITOS — Weather Bureau Army Navy (WBAN): 93106 — from year 1945 to 1970