- Latitude: 34.083
- Longitude: -118.033
High Temperatures
On April 21 in this location the average high temperature is 72.1 °F (22.3 °C). The lowest recored high temperature was 33.8 °F (1.0 °C) in 2001 and the highest recored high temperature was 100.0 °F (37.8 °C) in 2009. The high temperature is usually* between 66.6 °F (19.2 °C) and 77.6 °F (25.3 °C). About a quarter of the time, the high temperature is less than 66.6 °F (19.2 °C), and another quarter of the time, the high temperature is greater than and 77.6 °F (25.3 °C). About 95% of the time, the high temperature has been between 56.3 °F (13.5 °C) and 87.9 °F (31.1 °C).
Low Temperatures
On April 21 in this location the average low temperature is 52.9 °F (11.6 °C). The lowest recored low temperature was 24.8 °F (-4.0 °C) in 2010 and the lowest recored low temperature was 73.0 °F (22.8 °C) in 1987. The low temperature is usually* between 50.1 °F (10.1 °C) and 55.6 °F (13.1 °C). About a quarter of the time, the low temperature is less than 50.1 °F (10.1 °C), and another quarter of the time, the low temperature is greater than and 55.6 °F (13.1 °C). About 95% of the time, the low temperature has been between 44.8 °F (7.1 °C) and 60.9 °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:
- LONG BEACH / DAUGHERTY FIELD — Integrated Surface Dataset (ISD) station ID: 722970 — Weather Bureau Army Navy (WBAN): 23129 — from year 1943 to 2025
- LOS ALAMITOS AAF AIRPORT — Integrated Surface Dataset (ISD) station ID: 722975 — Weather Bureau Army Navy (WBAN): 53141 — from year 2006 to 2025
- FULLERTON MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722976 — Weather Bureau Army Navy (WBAN): 03166 — from year 2006 to 2025
- BRACKETT FIELD AIRPORT — Integrated Surface Dataset (ISD) station ID: 722887 — Weather Bureau Army Navy (WBAN): 03180 — from year 2013 to 2025
- EL MONTE AIRPORT — Integrated Surface Dataset (ISD) station ID: 747043 — Weather Bureau Army Navy (WBAN): 03165 — from year 2013 to 2025
- CABLE — Integrated Surface Dataset (ISD) station ID: 720329 — from year 2018 to 2025
- DOWNTOWN L.A./USC CAMPUS — Integrated Surface Dataset (ISD) station ID: 722874 — Weather Bureau Army Navy (WBAN): 93134 — from year 2000 to 2024
- MOUNT WILSON — Integrated Surface Dataset (ISD) station ID: 722890 — Weather Bureau Army Navy (WBAN): 93136 — from year 1982 to 2015
- FULLERTON MUNICIPAL — Integrated Surface Dataset (ISD) station ID: 722976 — from year 1981 to 2005
- MOUNT WILSON — Integrated Surface Dataset (ISD) station ID: 722890 — from year 2001 to 2001
- PASADENA — Integrated Surface Dataset (ISD) station ID: 749169 — from year 1944 to 1944