- Latitude: 33.286
- Longitude: -117.456
High Temperatures
On March 31 in this location the average high temperature is 68.6 °F (20.3 °C). The lowest recored high temperature was 52.3 °F (11.3 °C) in 2024 and the highest recored high temperature was 91.0 °F (32.8 °C) in 2021. The high temperature is usually* between 63.7 °F (17.6 °C) and 73.5 °F (23.1 °C). About a quarter of the time, the high temperature is less than 63.7 °F (17.6 °C), and another quarter of the time, the high temperature is greater than and 73.5 °F (23.1 °C). About 95% of the time, the high temperature has been between 54.3 °F (12.4 °C) and 82.9 °F (28.3 °C).
Low Temperatures
On March 31 in this location the average low temperature is 48.4 °F (9.1 °C). The lowest recored low temperature was 33.3 °F (0.7 °C) in 2007 and the lowest recored low temperature was 60.1 °F (15.6 °C) in 1971. The low temperature is usually* between 45.0 °F (7.2 °C) and 51.8 °F (11.0 °C). About a quarter of the time, the low temperature is less than 45.0 °F (7.2 °C), and another quarter of the time, the low temperature is greater than and 51.8 °F (11.0 °C). About 95% of the time, the low temperature has been between 38.5 °F (3.6 °C) and 58.3 °F (14.6 °C).
Frost
On March 31 in this location expect the temperatures to drop below freezing for a risk of frost about 0.1% 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:
- MARINE CORPS AIR STATION — Integrated Surface Dataset (ISD) station ID: 722926 — Weather Bureau Army Navy (WBAN): 03154 — from year 1975 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
- FALLBROOK 5 NE — Weather Bureau Army Navy (WBAN): 53151 — from year 2009 to 2025
- MCOLF CAMP PENDLETON RED BEAC — Integrated Surface Dataset (ISD) station ID: 722928 — Weather Bureau Army Navy (WBAN): 00369 — from year 2016 to 2024
- MCOLF CAMP PENDLETON (RED BEA — Integrated Surface Dataset (ISD) station ID: 722928 — from year 2010 to 2018
- MC CLELLAN PALOMAR — Integrated Surface Dataset (ISD) station ID: 722927 — from year 1973 to 2005
- OCEANSIDE MUNI — Integrated Surface Dataset (ISD) station ID: 722934 — from year 2000 to 2005
- OCEANSIDE HARBOR — Integrated Surface Dataset (ISD) station ID: 722929 — from year 1988 to 1995
- CAMP PENDLETON MCAS — Weather Bureau Army Navy (WBAN): 03154 — from year 1967 to 1971
- OCEANSIDE CAA AP — Weather Bureau Army Navy (WBAN): 23181 — from year 1949 to 1951