- Latitude: 33.038
- Longitude: -116.916
High Temperatures
On October 4 in this location the average high temperature is 79.3 °F (26.3 °C). The lowest recored high temperature was 66.2 °F (19.0 °C) in 2024 and the highest recored high temperature was 104.0 °F (40.0 °C) in 1987. The high temperature is usually* between 74.0 °F (23.3 °C) and 84.7 °F (29.3 °C). About a quarter of the time, the high temperature is less than 74.0 °F (23.3 °C), and another quarter of the time, the high temperature is greater than and 84.7 °F (29.3 °C). About 95% of the time, the high temperature has been between 63.7 °F (17.6 °C) and 95.0 °F (35.0 °C).
Low Temperatures
On October 4 in this location the average low temperature is 58.9 °F (15.0 °C). The lowest recored low temperature was 39.0 °F (3.9 °C) in 2019 and the lowest recored low temperature was 80.6 °F (27.0 °C) in 1999. The low temperature is usually* between 55.8 °F (13.2 °C) and 62.0 °F (16.7 °C). About a quarter of the time, the low temperature is less than 55.8 °F (13.2 °C), and another quarter of the time, the low temperature is greater than and 62.0 °F (16.7 °C). About 95% of the time, the low temperature has been between 50.0 °F (10.0 °C) and 67.9 °F (19.9 °C).
Frost
On October 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:
- MARINE CORPS AIR STATION — Integrated Surface Dataset (ISD) station ID: 722931 — Weather Bureau Army Navy (WBAN): 93107 — from year 2005 to 2024
- MONTGOMERY FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722903 — Weather Bureau Army Navy (WBAN): 03131 — from year 2006 to 2024
- GILLESPIE FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722907 — Weather Bureau Army Navy (WBAN): 53143 — from year 2006 to 2024
- RAMONA AIRPORT — Integrated Surface Dataset (ISD) station ID: 745056 — Weather Bureau Army Navy (WBAN): 53120 — from year 2006 to 2024
- GILLESPIE FLD — Integrated Surface Dataset (ISD) station ID: 722907 — from year 1973 to 2005
- MONTGOMERY FLD — Integrated Surface Dataset (ISD) station ID: 722903 — from year 1990 to 2005
- RAMONA — Integrated Surface Dataset (ISD) station ID: 745056 — from year 1999 to 2005
- MIRAMAR MCAS — Integrated Surface Dataset (ISD) station ID: 722931 — from year 2004 to 2004
- SAN DIEGO/MIRAMAR N — Integrated Surface Dataset (ISD) station ID: 722930 — Weather Bureau Army Navy (WBAN): 93107 — from year 1989 to 2003
- 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 1947 to 1988