Sonoma County, CA
An ordinary day in Sonoma County, CA: was cooler than 20 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 83°F averaged over Sonoma County, CA, the warmest 29 September in the county average since 2020, 21st warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 49.5°F averaged over Sonoma County, CA, the coldest 29 September night in the county average since 2021, 26th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- No measurable precipitation in the county average of Sonoma County, CA for 4 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
The month
- September 2026 so far averaged 66.5°F in Sonoma County, CA, the warmest 1 to 29 September in the county average since 2025, 22nd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- August 2026 averaged 68.5°F in Sonoma County, CA, the warmest August in the county average since 2025, 11th warmest of 132 (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 | 83 | 49.5 |
| 2025 | 66.7 | 55.5 |
| 2024 | 78.8 | 50.8 |
| 2023 | 74.5 | 52.4 |
| 2022 | 75.5 | 50.7 |
| 2021 | 73.3 | 46.4 |
| 2020 | 90.3 | 61.3 |
| 2019 | 66.6 | 43.8 |
| 2018 | 70.2 | 48.3 |
| 2017 | 84.5 | 51.7 |
| 2016 | 80.7 | 50.8 |
| 2015 | 76.8 | 48.3 |
| 2014 | 70.8 | 52.6 |
| 2013 | 78.2 | 49.4 |
| 2012 | 76 | 51.5 |
| 2011 | 92.1 | 59.6 |
| 2010 | 98.6 | 62.6 |
| 2009 | 74.7 | 46.1 |
| 2008 | 82.3 | 52.8 |
| 2007 | 65.5 | 43.9 |
| 2006 | 73.3 | 49.6 |
| 2005 | 88.1 | 52.8 |
| 2004 | 70 | 50.1 |
| 2003 | 73 | 48.8 |
| 2002 | 68.8 | 46 |
| 2001 | 78 | 48.3 |
| 2000 | 72.5 | 48.1 |
| 1999 | 87.5 | 53.8 |
| 1998 | 69.9 | 49.8 |
| 1997 | 90.1 | 56.9 |
| 1996 | 77.3 | 52.2 |
| 1995 | 71.6 | 49.7 |
| 1994 | 74.4 | 50.9 |
| 1993 | 84.8 | 51.3 |
| 1992 | 86.2 | 53.3 |
| 1991 | 82.1 | 51.4 |
| 1990 | 85.9 | 53.9 |
| 1989 | 69.3 | 52.3 |
| 1988 | 85.9 | 50 |
| 1987 | 85.1 | 52.3 |
| 1986 | 72.6 | 45.5 |
| 1985 | 67.9 | 48.9 |
| 1984 | 81.7 | 50.1 |
| 1983 | 72.1 | 52.1 |
| 1982 | 71.7 | 48.8 |
| 1981 | 70.4 | 48.2 |
| 1980 | 84.4 | 50.5 |
| 1979 | 80.7 | 50.6 |
| 1978 | 86.9 | 53.7 |
| 1977 | 64.7 | 56.8 |
| 1976 | 67.4 | 54 |
| 1975 | 74.2 | 47.7 |
| 1974 | 75.3 | 47.6 |
| 1973 | 85.1 | 49.8 |
| 1972 | 78.8 | 51.9 |
| 1971 | 66.5 | 44.9 |
| 1970 | 86.9 | 50.1 |
| 1969 | 81.1 | 54.6 |
| 1968 | 75.6 | 51.1 |
| 1967 | 74.3 | 54.2 |
| 1966 | 94.8 | 58.8 |
| 1965 | 76.4 | 45.8 |
| 1964 | 71.3 | 45.6 |
| 1963 | 83.8 | 53.4 |
| 1962 | 68.1 | 49.9 |
| 1961 | 75.5 | 45.4 |
| 1960 | 71 | 50.6 |
| 1959 | 75.4 | 55.2 |
| 1958 | 87.7 | 51.8 |
| 1957 | 67.7 | 51.8 |
| 1956 | 85.2 | 50.3 |
| 1955 | 72.9 | 42 |
| 1954 | 72.2 | 45.7 |
| 1953 | 73.8 | 46.7 |
| 1952 | 82.7 | 48.9 |
| 1951 | 66.7 | 54.9 |
Nearby
Ukiah, CA 44.6 mi, the nearest city with its own station