Weather on October 4
Santa Rosa, CA
55 Years of Data
About This Date
October 4th in Santa Rosa, CA typically brings warm fall weather, with average highs around 81°F and lows near 51°F — a 30°F daily swing. Over 56 years of records, the warmest October 4th was in 2014 (80°F average), while the coldest was 2006 (53°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 5% of October 4th dates historically. The last decade has been 5.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.9°F warmer on this date compared to 20-30 years ago.
Planning for October 4th in Santa Rosa, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 100° | 58° | 79° | — | — |
| 2025 | 79° | 49° | 64° | — | — |
| 2024 | 95° | 49° | 72° | — | — |
| 2023 | 92° | 53° | 72° | — | — |
| 2022 | 78° | 50° | 64° | — | — |
| 2021 | 93° | 47° | 70° | — | — |
| 2020 | 101° | 51° | 76° | — | — |
| 2019 | 75° | 51° | 63° | — | — |
| 2018 | 73° | 60° | 67° | — | — |
| 2017 | 81° | 43° | 62° | — | — |
| 2016 | 73° | 53° | 63° | — | — |
| 2015 | 81° | 57° | 69° | — | — |
| 2014warmest | 95° | 65° | 80° | — | — |
| 2013 | 80° | 63° | 71° | — | — |
| 2012 | 66° | 52° | 59° | — | — |
| 2011 | 63° | 59° | 61° | 0.32" | — |
| 2010 | 75° | 48° | 62° | — | — |
| 2009 | 73° | 43° | 58° | — | — |
| 2008 | 72° | 44° | 58° | 0.43" | — |
| 2007 | 68° | 47° | 57° | — | — |
| 2006coldest | 53° | 53° | 53° | — | — |
| 2005 | 77° | 41° | 59° | — | — |
| 2004 | 73° | 50° | 62° | — | — |
| 2003 | 74° | 51° | 62° | — | — |
| 2002 | 84° | 49° | 66° | — | — |
| 2001 | 62° | 55° | 59° | — | — |
| 2000 | 71° | 52° | 61° | — | — |
| 1999 | 69° | 55° | 62° | — | — |
| 1998 | 76° | 48° | 62° | — | — |
| 1997 | 81° | 50° | 65° | — | — |
| 1996 | 83° | 51° | 67° | — | — |
| 1995 | 88° | 63° | 75° | — | — |
| 1994 | 69° | 53° | 61° | 0.27" | — |
| 1993 | 67° | 52° | 59° | — | — |
| 1992 | 83° | 52° | 67° | — | — |
| 1991 | 95° | 54° | 74° | — | — |
| 1990 | 93° | 59° | 76° | — | — |
| 1989 | 76° | 45° | 60° | — | — |
| 1988 | 83° | 51° | 67° | — | — |
| 1987 | 95° | 52° | 73° | — | — |
| 1986 | 84° | 50° | 67° | — | — |
| 1985 | 93° | 55° | 74° | — | — |
| 1984 | 73° | 55° | 64° | — | — |
| 1983 | 89° | 51° | 70° | — | — |
| 1982 | 76° | 44° | 60° | — | — |
| 1981 | 74° | 43° | 58° | — | — |
| 1980 | 96° | 56° | 76° | — | — |
| 1979 | 88° | 53° | 70° | — | — |
| 1978 | 95° | 49° | 72° | — | — |
| 1977 | 85° | 40° | 62° | — | — |
| 1976 | 84° | 47° | 65° | — | — |
| 1975 | 89° | 45° | 67° | — | — |
| 1974 | 79° | 48° | 63° | — | — |
| 1973 | 88° | 39° | 63° | — | — |
| 1972 | 67° | 57° | 62° | — | — |
| 1971 | 94° | 43° | 68° | — | — |
Santa Rosa, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Santa Rosa, CA Monthly Precipitation
Average rainfall per month, in inches.
Santa Rosa, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Santa Rosa, CA
Most pleasant months in Santa Rosa, CA: March, April, May, June, July, September, October, November.
What to expect on October 4th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
October 4th outlook →