San Diego County, CA
An ordinary day in San Diego County, CA: was cooler than 49 of 75 earlier years in the county average (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- Tuesday 29 September 2026: a high of 81.8°F averaged over San Diego County, CA, the coldest 29 September day in the county average since 2025, 27th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 57°F averaged over San Diego County, CA, the coldest 29 September night in the county average since 2025, 38th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- No measurable precipitation in the county average of San Diego County, CA for 1 day to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
The month
- September 2026 so far averaged 75.4°F in San Diego County, CA, the warmest 1 to 29 September in the county average since 2022, 11th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- August 2026 averaged 81.5°F in San Diego County, CA, the warmest August in the county average since the data begin in 1895 (county average from NOAA's monthly county data, 1895 to 2026).
- Days of the month without a value
- 0
Every year on this date
- Above the normal range
- In it
- Below it
- Normal range
- This year and the extreme
Every year as a table
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 81.8 | 57 |
| 2025 | 78.5 | 56.3 |
| 2024 | 90.9 | 58 |
| 2023 | 83 | 54.9 |
| 2022 | 92.6 | 64 |
| 2021 | 75.7 | 54.9 |
| 2020 | 95.1 | 60.7 |
| 2019 | 69 | 54.6 |
| 2018 | 88.4 | 61.6 |
| 2017 | 87.7 | 55.7 |
| 2016 | 86.7 | 61.8 |
| 2015 | 92 | 62.3 |
| 2014 | 75.8 | 52.6 |
| 2013 | 86.2 | 50.8 |
| 2012 | 89.9 | 58.7 |
| 2011 | 87 | 57.4 |
| 2010 | 92.6 | 67.4 |
| 2009 | 88.9 | 59.3 |
| 2008 | 90.6 | 60.3 |
| 2007 | 70.2 | 54.1 |
| 2006 | 92 | 57.8 |
| 2005 | 92.4 | 56.7 |
| 2004 | 79 | 51.7 |
| 2003 | 87.5 | 59.8 |
| 2002 | 66.7 | 53.8 |
| 2001 | 92.3 | 57.6 |
| 2000 | 81.3 | 55.7 |
| 1999 | 89.8 | 59.5 |
| 1998 | 75.3 | 48.8 |
| 1997 | 91.2 | 61.7 |
| 1996 | 88.6 | 54.3 |
| 1995 | 74.4 | 54.4 |
| 1994 | 93.3 | 64.9 |
| 1993 | 94.6 | 59.4 |
| 1992 | 95.6 | 60.5 |
| 1991 | 87.1 | 59.5 |
| 1990 | 77.4 | 56 |
| 1989 | 90.8 | 57.2 |
| 1988 | 89.9 | 55.5 |
| 1987 | 87.7 | 58.9 |
| 1986 | 71.3 | 49.5 |
| 1985 | 74.4 | 57.9 |
| 1984 | 91.6 | 60.9 |
| 1983 | 72.1 | 56.1 |
| 1982 | 71.3 | 50 |
| 1981 | 84.6 | 55.7 |
| 1980 | 87.6 | 57.7 |
| 1979 | 83.9 | 59.6 |
| 1978 | 93.4 | 62.4 |
| 1977 | 80.9 | 50.9 |
| 1976 | 78.4 | 61.3 |
| 1975 | 82.3 | 53.7 |
| 1974 | 82 | 55.6 |
| 1973 | 89.7 | 54.3 |
| 1972 | 81.2 | 58.2 |
| 1971 | 76.7 | 47.3 |
| 1970 | 83.7 | 59.1 |
| 1969 | 92.6 | 59 |
| 1968 | 78.8 | 55.3 |
| 1967 | 83.2 | 62.3 |
| 1966 | 78.8 | 59.4 |
| 1965 | 72.5 | 47.9 |
| 1964 | 84.1 | 51.8 |
| 1963 | 99 | 63.4 |
| 1962 | 76.9 | 51.2 |
| 1961 | 88.1 | 55.1 |
| 1960 | 86.6 | 58 |
| 1959 | 76.1 | 55.6 |
| 1958 | 84.8 | 56.4 |
| 1957 | 90.6 | 60.6 |
| 1956 | 93.5 | 60 |
| 1955 | 80.8 | 48.8 |
| 1954 | 82.9 | 55 |
| 1953 | 81.9 | 49.7 |
| 1952 | 85 | 57.1 |
| 1951 | 80 | 48.8 |
Nearby
Ramona, CA 8.6 mi, the nearest city with its own station