- Latitude: 33.45
- Longitude: -117.68
High Temperatures
On September 4 in this location the average high temperature is 83.2 °F (28.5 °C). The lowest recored high temperature was 65.8 °F (18.8 °C) in 1973 and the highest recored high temperature was 109.9 °F (43.3 °C) in 1988. The high temperature is usually* between 78.4 °F (25.8 °C) and 88.1 °F (31.2 °C). About a quarter of the time, the high temperature is less than 78.4 °F (25.8 °C), and another quarter of the time, the high temperature is greater than and 88.1 °F (31.2 °C). About 95% of the time, the high temperature has been between 69.1 °F (20.6 °C) and 97.4 °F (36.3 °C).
Low Temperatures
On September 4 in this location the average low temperature is 63.3 °F (17.4 °C). The lowest recored low temperature was 48.4 °F (9.1 °C) in 1942 and the lowest recored low temperature was 82.0 °F (27.8 °C) in 1998. The low temperature is usually* between 60.3 °F (15.7 °C) and 66.3 °F (19.1 °C). About a quarter of the time, the low temperature is less than 60.3 °F (15.7 °C), and another quarter of the time, the low temperature is greater than and 66.3 °F (19.1 °C). About 95% of the time, the low temperature has been between 54.6 °F (12.5 °C) and 72.0 °F (22.2 °C).
Frost
On September 4 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
- MARINE CORPS AIR STATION — Integrated Surface Dataset (ISD) station ID: 722926 — Weather Bureau Army Navy (WBAN): 03154 — from year 1973 to 2024
- MCOLF CAMP PENDLETON RED BEAC — Integrated Surface Dataset (ISD) station ID: 722928 — Weather Bureau Army Navy (WBAN): 00369 — from year 2015 to 2022
- MCOLF CAMP PENDLETON (RED BEA — Integrated Surface Dataset (ISD) station ID: 722928 — from year 2010 to 2014
- JOHN WAYNE ARPT ORA — Integrated Surface Dataset (ISD) station ID: 722977 — from year 2000 to 2003
- 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 1978 to 1994
- OCEANSIDE HARBOR — Integrated Surface Dataset (ISD) station ID: 722929 — from year 1983 to 1993
- TUSTIN MCAF — Integrated Surface Dataset (ISD) station ID: 722915 — Weather Bureau Army Navy (WBAN): 93114 — from year 1976 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
- 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
- CAMP PENDLETON MCAS — Weather Bureau Army Navy (WBAN): 03154 — from year 1967 to 1970
- OCEANSIDE CAA AP — Weather Bureau Army Navy (WBAN): 23181 — from year 1949 to 1951