- Latitude: 32.98
- Longitude: -117.27
High Temperatures
On April 21 in this location the average high temperature is 69.1 °F (20.6 °C). The lowest recored high temperature was 54.0 °F (12.2 °C) in 2001 and the highest recored high temperature was 98.1 °F (36.7 °C) in 2009. The high temperature is usually* between 64.5 °F (18.0 °C) and 73.6 °F (23.1 °C). About a quarter of the time, the high temperature is less than 64.5 °F (18.0 °C), and another quarter of the time, the high temperature is greater than and 73.6 °F (23.1 °C). About 95% of the time, the high temperature has been between 55.8 °F (13.2 °C) and 82.3 °F (27.9 °C).
Low Temperatures
On April 21 in this location the average low temperature is 53.6 °F (12.0 °C). The lowest recored low temperature was 33.1 °F (0.6 °C) in 2002 and the lowest recored low temperature was 82.4 °F (28.0 °C) in 2009. The low temperature is usually* between 51.0 °F (10.6 °C) and 56.1 °F (13.4 °C). About a quarter of the time, the low temperature is less than 51.0 °F (10.6 °C), and another quarter of the time, the low temperature is greater than and 56.1 °F (13.4 °C). About 95% of the time, the low temperature has been between 46.2 °F (7.9 °C) and 61.0 °F (16.1 °C).
Frost
On April 21 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:
- SAN DIEGO INTERNATIONAL AIRPO — Integrated Surface Dataset (ISD) station ID: 722900 — Weather Bureau Army Navy (WBAN): 23188 — from year 1942 to 2025
- NORTH ISLAND NAS — Integrated Surface Dataset (ISD) station ID: 722906 — Weather Bureau Army Navy (WBAN): 93112 — from year 1945 to 2025
- MARINE CORPS AIR STATION — Integrated Surface Dataset (ISD) station ID: 722931 — Weather Bureau Army Navy (WBAN): 93107 — from year 2005 to 2025
- MONTGOMERY FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722903 — Weather Bureau Army Navy (WBAN): 03131 — from year 2006 to 2025
- GILLESPIE FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722907 — Weather Bureau Army Navy (WBAN): 53143 — from year 2006 to 2025
- MCCLELLAN-PALOMAR AIRPORT — Integrated Surface Dataset (ISD) station ID: 722927 — Weather Bureau Army Navy (WBAN): 03177 — from year 2006 to 2025
- OCEANSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722934 — Weather Bureau Army Navy (WBAN): 53121 — from year 2006 to 2025
- RAMONA AIRPORT — Integrated Surface Dataset (ISD) station ID: 745056 — Weather Bureau Army Navy (WBAN): 53120 — from year 2006 to 2025
- LA JOLLA — Integrated Surface Dataset (ISD) station ID: 994018 — from year 2010 to 2025
- USS MIDWAY S NAVY PIER — Integrated Surface Dataset (ISD) station ID: 998408 — from year 2011 to 2017
- LA JOLLA — Integrated Surface Dataset (ISD) station ID: 997292 — from year 2005 to 2007
- GILLESPIE FLD — Integrated Surface Dataset (ISD) station ID: 722907 — from year 1973 to 2005
- MC CLELLAN PALOMAR — Integrated Surface Dataset (ISD) station ID: 722927 — from year 1973 to 2005
- MONTGOMERY FLD — Integrated Surface Dataset (ISD) station ID: 722903 — from year 1990 to 2005
- OCEANSIDE MUNI — Integrated Surface Dataset (ISD) station ID: 722934 — from year 2000 to 2005
- RAMONA — Integrated Surface Dataset (ISD) station ID: 745056 — from year 1999 to 2005
- SAN DIEGO/MIRAMAR N — Integrated Surface Dataset (ISD) station ID: 722930 — Weather Bureau Army Navy (WBAN): 93107 — from year 1989 to 2003
- OCEANSIDE HARBOR — Integrated Surface Dataset (ISD) station ID: 722929 — from year 1989 to 1996
- MISSION BEACH — Integrated Surface Dataset (ISD) station ID: 722914 — from year 1985 to 1996
- SAN DIEGO/MONTGOMER — Integrated Surface Dataset (ISD) station ID: 722901 — from year 1973 to 1989
- SAN DIEGO MIRAMAR NAS — Weather Bureau Army Navy (WBAN): 93107 — from year 1948 to 1988
- SAN DIEGO LINDBERGH FIELD — Weather Bureau Army Navy (WBAN): 23188 — from year 1948 to 1972
- OCEANSIDE CAA AP — Weather Bureau Army Navy (WBAN): 23181 — from year 1949 to 1951