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San Leandro, CA Weather on October 9
October 9th in San Leandro, CA typically brings pleasant fall weather, with average highs around 75°F and lows near 54°F. Over 53 years of records, the warmest October 9th was in 2008 (114°F average), while the coldest was 1973 (51°F) — a 63°F range across recorded history. Rain or other precipitation has occurred on about 2% of October 9th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
What to Expect on October 9
Planning for October 9th in San Leandro, CA? Great weather for outdoor activities.
October 9 Weather Records for San Leandro
- •The all-time record high for October 9th in San Leandro, CA is 137°F, set in 2008.
- •The coldest October 9th on record dropped to 46°F in 2013.
- •Temperatures have reached 90°F or higher on October 9th in 3 of the last 53 years.
Frequently Asked Questions
What was the warmest October 9 ever in San Leandro?
The warmest October 9 in San Leandro, CA reached 137°F in 2008. That is 62°F above the long-term average high of 75°F.
What was the coldest October 9 ever in San Leandro?
The coldest October 9 in San Leandro, CA dropped to 46°F in 2013. That is 8°F below the long-term average low of 54°F.
What is the average temperature on October 9 in San Leandro?
On October 9, San Leandro averages a high of 75°F and a low of 54°F based on 53 years of NOAA weather observations from UPPER SAN LEANDRO FILTERS.
How many years of weather data are available for October 9 in San Leandro?
We have 53 years of weather records for October 9 in San Leandro, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
October 9 Weather History in San Leandro
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 69°F | 55°F | -- | -- |
| 2024 | 71°F | 54°F | -- | -- |
| 2023 | 65°F | 52°F | -- | -- |
| 2022 | 68°F | 51°F | -- | -- |
| 2021 | 71°F | 50°F | -- | -- |
| 2020 | 67°F | 53°F | -- | -- |
| 2019 | 73°F | 48°F | -- | -- |
| 2018 | 71°F | 52°F | -- | -- |
| 2017 | 78°F | 61°F | -- | -- |
| 2016 | 81°F | 63°F | -- | -- |
| 2015 | 82°F | 61°F | -- | -- |
| 2014 | 71°F | 53°F | -- | -- |
| 2013 | 63°F | 46°F | -- | -- |
| 2012 | 68°F | 52°F | -- | -- |
| 2011 | 69°F | 51°F | -- | -- |
| 2010 | 74°F | 53°F | -- | -- |
| 2009 | 65°F | 48°F | -- | -- |
| 2008 | 137°F | 91°F | -- | -- |
| 2007 | 64°F | 48°F | -- | -- |
| 2006 | 77°F | 55°F | 0" | -- |
| 2005 | 76°F | 48°F | -- | -- |
| 2004 | 72°F | 53°F | -- | -- |
| 2003 | 72°F | 53°F | -- | -- |
| 2002 | 77°F | 53°F | -- | -- |
| 2001 | 75°F | 52°F | -- | -- |
| 2000 | 58°F | 54°F | -- | -- |
| 1999 | 86°F | 64°F | -- | -- |
| 1998 | 70°F | 49°F | -- | -- |
| 1997 | 65°F | 51°F | -- | -- |
| 1996 | 77°F | 55°F | -- | -- |
| 1995 | 74°F | 52°F | -- | -- |
| 1994 | 84°F | 62°F | -- | -- |
| 1993 | 70°F | 57°F | -- | -- |
| 1992 | 88°F | 62°F | -- | -- |
| 1989 | 90°F | 54°F | 0" | -- |
| 1988 | 84°F | 50°F | 0" | -- |
| 1987 | 68°F | 52°F | 0" | -- |
| 1986 | 80°F | 50°F | 0" | -- |
| 1985 | 70°F | 50°F | 0" | -- |
| 1984 | 77°F | 58°F | 0" | -- |
| 1983 | 70°F | 58°F | 0" | -- |
| 1982 | 78°F | 49°F | 0" | -- |
| 1981 | 68°F | 50°F | 0" | -- |
| 1980 | 86°F | 52°F | 0" | -- |
| 1979 | 72°F | 53°F | 0" | -- |
| 1978 | 80°F | 50°F | 0" | -- |
| 1977 | 76°F | 54°F | 0" | -- |
| 1976 | 94°F | 54°F | 0" | -- |
| 1975 | 68°F | 47°F | 0" | -- |
| 1974 | 69°F | 54°F | 0" | -- |
| 1973 | 56°F | 46°F | 0.09" | -- |
| 1972 | 72°F | 56°F | 0" | -- |
| 1971 | 76°F | 49°F | 0" | -- |
Based on 53 years of data from NOAA station: UPPER SAN LEANDRO FILTERS
Monthly Climate Averages
Historical temperature and precipitation averages for San Leandro, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.