- Latitude: 33.45
- Longitude: -117.68
High Temperatures
On January 21 in this location the average high temperature is 66.1 °F (18.9 °C). The lowest recored high temperature was 48.0 °F (8.9 °C) in 1962 and the highest recored high temperature was 84.0 °F (28.9 °C) in 1989. The high temperature is usually* between 61.8 °F (16.5 °C) and 70.4 °F (21.3 °C). About a quarter of the time, the high temperature is less than 61.8 °F (16.5 °C), and another quarter of the time, the high temperature is greater than and 70.4 °F (21.3 °C). About 95% of the time, the high temperature has been between 53.6 °F (12.0 °C) and 78.6 °F (25.9 °C).
Low Temperatures
On January 21 in this location the average low temperature is 45.2 °F (7.3 °C). The lowest recored low temperature was 26.1 °F (-3.3 °C) in 1987 and the lowest recored low temperature was 75.0 °F (23.9 °C) in 1976. The low temperature is usually* between 41.4 °F (5.2 °C) and 49.1 °F (9.5 °C). About a quarter of the time, the low temperature is less than 41.4 °F (5.2 °C), and another quarter of the time, the low temperature is greater than and 49.1 °F (9.5 °C). About 95% of the time, the low temperature has been between 34.0 °F (1.1 °C) and 56.4 °F (13.6 °C).
Frost
On January 21 in this location expect the temperatures to drop below freezing for a risk of frost about 1.0% 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 1941 to 2025
- MARINE CORPS AIR STATION — Integrated Surface Dataset (ISD) station ID: 722926 — Weather Bureau Army Navy (WBAN): 03154 — from year 1974 to 2025
- MCOLF CAMP PENDLETON RED BEAC — Integrated Surface Dataset (ISD) station ID: 722928 — Weather Bureau Army Navy (WBAN): 00369 — from year 2016 to 2023
- MCOLF CAMP PENDLETON (RED BEA — Integrated Surface Dataset (ISD) station ID: 722928 — from year 2010 to 2015
- 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 1999
- 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 1979 to 1996
- OCEANSIDE HARBOR — Integrated Surface Dataset (ISD) station ID: 722929 — from year 1990 to 1995
- DANA POINT — Integrated Surface Dataset (ISD) station ID: 722859 — from year 1990 to 1990
- 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 1946 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 1946 to 1975
- CAMP PENDLETON MCAS — Weather Bureau Army Navy (WBAN): 03154 — from year 1967 to 1972
- SANTA ANA — Weather Bureau Army Navy (WBAN): 93184 — from year 1969 to 1971
- OCEANSIDE CAA AP — Weather Bureau Army Navy (WBAN): 23181 — from year 1949 to 1952