W.carter / CC BY-SA 4.0
Vacaville, CA Weather on August 26
August 26th in Vacaville, CA typically brings hot summer weather, with average highs around 92°F and lows near 57°F — a 35°F daily swing. Over 55 years of records, the warmest August 26th was in 1988 (86°F average), while the coldest was 1998 (65°F) — a 21°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
What to Expect on August 26
Planning for August 26th in Vacaville, CA? Stay hydrated and seek shade during peak afternoon hours.
August 26 Weather Records for Vacaville
- •The all-time record high for August 26th in Vacaville, CA is 106°F, set in 2017.
- •The coldest August 26th on record dropped to 50°F in 1995.
- •Temperatures have reached 90°F or higher on August 26th in 36 of the last 55 years.
Frequently Asked Questions
What was the warmest August 26 ever in Vacaville?
The warmest August 26 in Vacaville, CA reached 106°F in 2017. That is 14°F above the long-term average high of 92°F.
What was the coldest August 26 ever in Vacaville?
The coldest August 26 in Vacaville, CA dropped to 50°F in 1995. That is 7°F below the long-term average low of 57°F.
What is the average temperature on August 26 in Vacaville?
On August 26, Vacaville averages a high of 92°F and a low of 57°F based on 55 years of NOAA weather observations from VACAVILLE/NUT TREE AP ASOS.
How many years of weather data are available for August 26 in Vacaville?
We have 55 years of weather records for August 26 in Vacaville, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
August 26 Weather History in Vacaville
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 97°F | 67°F | 0" | -- |
| 2024 | 95°F | 55°F | 0" | -- |
| 2023 | 94°F | 52°F | 0" | -- |
| 2022 | 96°F | 57°F | 0" | -- |
| 2021 | 97°F | 52°F | 0" | -- |
| 2020 | 93°F | 62°F | 0" | -- |
| 2019 | 101°F | 62°F | 0" | -- |
| 2018 | 88°F | 55°F | 0" | -- |
| 2017 | 106°F | 58°F | 0" | -- |
| 2016 | 86°F | 55°F | 0" | -- |
| 2015 | 100°F | 60°F | 0" | -- |
| 2014 | 90°F | 55°F | 0" | -- |
| 2013 | 88°F | 59°F | 0" | -- |
| 2012 | 80°F | 55°F | 0" | -- |
| 2011 | 96°F | 60°F | 0" | -- |
| 2010 | 96°F | 64°F | 0" | -- |
| 2009 | 94°F | -- | 0" | -- |
| 2008 | 95°F | 56°F | 0" | -- |
| 2007 | 89°F | 59°F | 0" | -- |
| 2006 | 91°F | 56°F | 0" | -- |
| 2005 | 97°F | 54°F | 0" | -- |
| 2004 | 91°F | 56°F | 0" | -- |
| 2003 | 101°F | 65°F | 0" | -- |
| 2002 | 98°F | 54°F | 0" | -- |
| 2001 | 100°F | 58°F | 0" | -- |
| 2000 | 94°F | 56°F | 0" | -- |
| 1999 | 97°F | 68°F | 0" | -- |
| 1998 | 77°F | 53°F | 0" | -- |
| 1997 | 88°F | 57°F | 0" | -- |
| 1996 | 90°F | 52°F | 0" | -- |
| 1995 | 89°F | 50°F | 0" | -- |
| 1994 | 87°F | 56°F | 0" | -- |
| 1993 | 98°F | 57°F | 0" | -- |
| 1992 | 100°F | 55°F | 0" | -- |
| 1991 | 84°F | 54°F | 0" | -- |
| 1990 | 77°F | 56°F | 0" | -- |
| 1989 | 90°F | 55°F | 0" | -- |
| 1988 | 105°F | 66°F | 0" | -- |
| 1987 | 83°F | 56°F | 0" | -- |
| 1986 | 93°F | 57°F | 0" | -- |
| 1985 | 97°F | 56°F | 0" | -- |
| 1984 | 88°F | 55°F | 0" | -- |
| 1983 | 88°F | 51°F | 0" | -- |
| 1982 | 85°F | 56°F | 0" | -- |
| 1981 | 96°F | 52°F | 0" | -- |
| 1980 | 86°F | 57°F | 0" | -- |
| 1979 | 95°F | 53°F | 0" | -- |
| 1978 | 83°F | 54°F | 0" | -- |
| 1977 | 85°F | 66°F | 0" | -- |
| 1976 | 94°F | 53°F | 0" | -- |
| 1975 | 90°F | 54°F | 0" | -- |
| 1974 | 95°F | 55°F | 0" | -- |
| 1973 | 81°F | 53°F | 0" | -- |
| 1972 | 100°F | 54°F | 0" | -- |
| 1971 | 95°F | 61°F | 0" | -- |
Based on 55 years of data from NOAA station: VACAVILLE/NUT TREE AP ASOS
Monthly Climate Averages
Historical temperature and precipitation averages for Vacaville, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.