- Latitude: 33.22
- Longitude: -117.4
High Temperatures
On September 20 in this location the average high temperature is 77.7 °F (25.4 °C). The lowest recored high temperature was 65.8 °F (18.8 °C) in 1988 and the highest recored high temperature was 104.9 °F (40.5 °C) in 2015. The high temperature is usually* between 73.4 °F (23.0 °C) and 82.0 °F (27.8 °C). About a quarter of the time, the high temperature is less than 73.4 °F (23.0 °C), and another quarter of the time, the high temperature is greater than and 82.0 °F (27.8 °C). About 95% of the time, the high temperature has been between 65.2 °F (18.4 °C) and 90.2 °F (32.4 °C).
Low Temperatures
On September 20 in this location the average low temperature is 59.5 °F (15.3 °C). The lowest recored low temperature was 42.8 °F (6.0 °C) in 1999 and the lowest recored low temperature was 73.0 °F (22.8 °C) in 2015. The low temperature is usually* between 56.0 °F (13.3 °C) and 63.0 °F (17.2 °C). About a quarter of the time, the low temperature is less than 56.0 °F (13.3 °C), and another quarter of the time, the low temperature is greater than and 63.0 °F (17.2 °C). About 95% of the time, the low temperature has been between 49.4 °F (9.7 °C) and 69.6 °F (20.9 °C).
Frost
On September 20 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:
- MARINE CORPS AIR STATION — Integrated Surface Dataset (ISD) station ID: 722926 — Weather Bureau Army Navy (WBAN): 03154 — from year 1973 to 2024
- MCCLELLAN-PALOMAR AIRPORT — Integrated Surface Dataset (ISD) station ID: 722927 — Weather Bureau Army Navy (WBAN): 03177 — from year 2006 to 2024
- OCEANSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722934 — Weather Bureau Army Navy (WBAN): 53121 — from year 2006 to 2024
- FALLBROOK 5 NE — Weather Bureau Army Navy (WBAN): 53151 — from year 2008 to 2024
- MCOLF CAMP PENDLETON RED BEAC — Integrated Surface Dataset (ISD) station ID: 722928 — Weather Bureau Army Navy (WBAN): 00369 — from year 2015 to 2023
- MCOLF CAMP PENDLETON (RED BEA — Integrated Surface Dataset (ISD) station ID: 722928 — from year 2010 to 2012
- 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 1999 to 2005
- OCEANSIDE HARBOR — Integrated Surface Dataset (ISD) station ID: 722929 — from year 1988 to 1995
- SOLANA BEACH — Integrated Surface Dataset (ISD) station ID: 722919 — from year 1986 to 1986
- CAMP PENDLETON MCAS — Weather Bureau Army Navy (WBAN): 03154 — from year 1966 to 1971
- OCEANSIDE CAA AP — Weather Bureau Army Navy (WBAN): 23181 — from year 1949 to 1951