Kingshuk Mondal / CC BY 4.0
Hayward, CA Weather on August 26
August 26th in Hayward, CA typically brings pleasant summer weather, with average highs around 76°F and lows near 57°F. Over 53 years of records, the warmest August 26th was in 1993 (78°F average), while the coldest was 1982 (59°F) — a 19°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
What to Expect on August 26
Planning for August 26th in Hayward, CA? Great weather for outdoor activities.
August 26 Weather Records for Hayward
- •The all-time record high for August 26th in Hayward, CA is 96°F, set in 1988.
- •The coldest August 26th on record dropped to 50°F in 1973.
- •Temperatures have reached 90°F or higher on August 26th in 3 of the last 53 years.
Frequently Asked Questions
What was the warmest August 26 ever in Hayward?
The warmest August 26 in Hayward, CA reached 96°F in 1988. That is 20°F above the long-term average high of 76°F.
What was the coldest August 26 ever in Hayward?
The coldest August 26 in Hayward, CA dropped to 50°F in 1973. That is 7°F below the long-term average low of 57°F.
What is the average temperature on August 26 in Hayward?
On August 26, Hayward averages a high of 76°F and a low of 57°F based on 53 years of NOAA weather observations from HAYWARD AIR TERMINAL.
How many years of weather data are available for August 26 in Hayward?
We have 53 years of weather records for August 26 in Hayward, 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 Hayward
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 76°F | 61°F | 0" | -- |
| 2024 | 90°F | 61°F | 0" | -- |
| 2023 | 73°F | 61°F | 0" | -- |
| 2022 | 78°F | 59°F | 0" | -- |
| 2021 | 80°F | 55°F | 0" | -- |
| 2020 | 69°F | 59°F | 0" | -- |
| 2019 | 86°F | 57°F | 0" | -- |
| 2018 | 74°F | 58°F | 0" | -- |
| 2017 | 88°F | 56°F | 0" | -- |
| 2016 | 73°F | 62°F | 0" | -- |
| 2015 | 81°F | 58°F | 0" | -- |
| 2014 | 78°F | 62°F | 0" | -- |
| 2013 | 70°F | 59°F | 0" | -- |
| 2012 | 68°F | 57°F | 0" | -- |
| 2011 | 77°F | 57°F | 0" | -- |
| 2010 | 70°F | 58°F | 0" | -- |
| 2009 | 75°F | 55°F | 0" | -- |
| 2008 | 82°F | 55°F | 0" | -- |
| 2007 | 71°F | 58°F | 0" | -- |
| 2006 | 73°F | 58°F | 0" | -- |
| 2005 | 76°F | 55°F | 0" | -- |
| 2004 | 78°F | 61°F | 0" | -- |
| 2003 | 78°F | 61°F | 0" | -- |
| 2002 | 82°F | 54°F | 0" | -- |
| 2001 | 78°F | 56°F | 0" | -- |
| 2000 | 75°F | 56°F | 0" | -- |
| 1999 | 86°F | 62°F | 0" | -- |
| 1998 | 79°F | 53°F | -- | -- |
| 1997 | 77°F | 60°F | -- | -- |
| 1996 | 68°F | 54°F | -- | -- |
| 1995 | 73°F | 52°F | -- | -- |
| 1994 | 74°F | 54°F | -- | -- |
| 1993 | 90°F | 66°F | -- | -- |
| 1992 | 80°F | 53°F | -- | -- |
| 1989 | 83°F | 52°F | 0" | -- |
| 1988 | 96°F | 56°F | 0" | -- |
| 1987 | 76°F | 57°F | 0" | -- |
| 1986 | 78°F | 56°F | 0" | -- |
| 1985 | 75°F | 55°F | 0" | -- |
| 1984 | 68°F | 57°F | 0" | -- |
| 1983 | 70°F | 58°F | 0" | -- |
| 1982 | 63°F | 56°F | 0" | -- |
| 1981 | 79°F | 52°F | 0" | -- |
| 1980 | 69°F | 53°F | 0" | -- |
| 1979 | 75°F | 59°F | 0" | -- |
| 1978 | 77°F | 55°F | 0" | -- |
| 1977 | 76°F | 56°F | 0" | -- |
| 1976 | 76°F | 55°F | 0" | -- |
| 1975 | 73°F | 51°F | 0" | -- |
| 1974 | 71°F | 54°F | 0" | -- |
| 1973 | 70°F | 50°F | 0" | -- |
| 1972 | 74°F | 54°F | 0" | -- |
| 1971 | 75°F | 55°F | 0" | -- |
Based on 53 years of data from NOAA station: HAYWARD AIR TERMINAL
Monthly Climate Averages
Historical temperature and precipitation averages for Hayward, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.