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Pomona, CA Weather on August 26
August 26th in Pomona, CA typically brings hot summer weather, with average highs around 91°F and lows near 62°F — a 29°F daily swing. Over 51 years of records, the warmest August 26th was in 2010 (87°F average), while the coldest was 1987 (65°F) — a 22°F range across recorded history. This date has historically been dry, with little recorded precipitation. Temperatures on this date have remained relatively stable over the past several decades.
What to Expect on August 26
Planning for August 26th in Pomona, CA? Stay hydrated and seek shade during peak afternoon hours.
August 26 Weather Records for Pomona
- •The all-time record high for August 26th in Pomona, CA is 103°F, set in 2011.
- •The coldest August 26th on record dropped to 49°F in 1987.
- •Temperatures have reached 90°F or higher on August 26th in 35 of the last 51 years.
Frequently Asked Questions
What was the warmest August 26 ever in Pomona?
The warmest August 26 in Pomona, CA reached 103°F in 2011. That is 12°F above the long-term average high of 91°F.
What was the coldest August 26 ever in Pomona?
The coldest August 26 in Pomona, CA dropped to 49°F in 1987. That is 13°F below the long-term average low of 62°F.
What is the average temperature on August 26 in Pomona?
On August 26, Pomona averages a high of 91°F and a low of 62°F based on 51 years of NOAA weather observations from POMONA/FAIRPLEX.
How many years of weather data are available for August 26 in Pomona?
We have 51 years of weather records for August 26 in Pomona, 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 Pomona
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 89°F | 67°F | -- | -- |
| 2024 | 91°F | 60°F | -- | -- |
| 2023 | 94°F | 62°F | -- | -- |
| 2022 | 92°F | 66°F | -- | -- |
| 2021 | 98°F | 67°F | -- | -- |
| 2020 | 96°F | 67°F | -- | -- |
| 2019 | 95°F | 69°F | -- | -- |
| 2018 | 86°F | 57°F | -- | -- |
| 2017 | 98°F | 65°F | -- | -- |
| 2016 | 80°F | 55°F | -- | -- |
| 2015 | 97°F | 71°F | -- | -- |
| 2014 | 90°F | 62°F | -- | -- |
| 2013 | 91°F | 70°F | -- | -- |
| 2012 | 90°F | 60°F | 0" | -- |
| 2011 | 103°F | 70°F | 0" | -- |
| 2010 | 101°F | 73°F | 0" | -- |
| 2009 | 98°F | 61°F | 0" | -- |
| 2008 | 94°F | 67°F | 0" | -- |
| 2007 | 87°F | 65°F | 0" | -- |
| 2006 | 94°F | 59°F | 0" | -- |
| 2005 | 102°F | 69°F | 0" | -- |
| 2004 | 87°F | 64°F | 0" | -- |
| 2003 | 98°F | 67°F | 0" | -- |
| 2002 | 94°F | 58°F | 0" | -- |
| 2001 | 92°F | 62°F | 0" | -- |
| 2000 | 88°F | 64°F | -- | -- |
| 1999 | 99°F | 65°F | 0" | -- |
| 1998 | 90°F | 59°F | -- | -- |
| 1993 | 93°F | 61°F | 0" | -- |
| 1992 | 83°F | 54°F | 0" | -- |
| 1991 | 83°F | 62°F | 0" | -- |
| 1990 | 84°F | 55°F | 0" | -- |
| 1989 | 82°F | 57°F | 0" | -- |
| 1988 | 93°F | 67°F | 0" | -- |
| 1987 | 82°F | 49°F | 0" | -- |
| 1986 | 96°F | 61°F | 0" | -- |
| 1985 | 97°F | 60°F | 0" | -- |
| 1984 | 90°F | 68°F | 0" | -- |
| 1983 | 96°F | 59°F | 0" | -- |
| 1982 | 91°F | 65°F | 0" | -- |
| 1981 | 100°F | 65°F | 0" | -- |
| 1980 | 90°F | 54°F | 0" | -- |
| 1979 | 90°F | 57°F | 0" | -- |
| 1978 | 83°F | 52°F | 0" | -- |
| 1977 | 85°F | 61°F | 0" | -- |
| 1976 | 90°F | 56°F | 0" | -- |
| 1975 | 91°F | 53°F | 0" | -- |
| 1974 | 92°F | 55°F | 0" | -- |
| 1973 | 79°F | 57°F | 0" | -- |
| 1972 | 81°F | 58°F | 0" | -- |
| 1971 | 89°F | 59°F | 0" | -- |
Based on 51 years of data from NOAA station: POMONA/FAIRPLEX
Monthly Climate Averages
Historical temperature and precipitation averages for Pomona, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.