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Pomona, CA Weather on July 11
July 11th in Pomona, CA typically brings hot summer weather, with average highs around 90°F and lows near 61°F — a 29°F daily swing. Over 51 years of records, the warmest July 11th was in 1990 (86°F average), while the coldest was 1992 (66°F) — a 20°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
What to Expect on July 11
Planning for July 11th in Pomona, CA? Stay hydrated and seek shade during peak afternoon hours.
July 11 Weather Records for Pomona
- •The all-time record high for July 11th in Pomona, CA is 102°F, set in 1983.
- •The coldest July 11th on record dropped to 51°F in 2000.
- •Temperatures have reached 90°F or higher on July 11th in 24 of the last 51 years.
- •Last year (1971), July 11th was 5°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest July 11 ever in Pomona?
The warmest July 11 in Pomona, CA reached 102°F in 1983. That is 12°F above the long-term average high of 90°F.
What was the coldest July 11 ever in Pomona?
The coldest July 11 in Pomona, CA dropped to 51°F in 2000. That is 10°F below the long-term average low of 61°F.
What is the average temperature on July 11 in Pomona?
On July 11, Pomona averages a high of 90°F and a low of 61°F based on 51 years of NOAA weather observations from POMONA/FAIRPLEX.
How many years of weather data are available for July 11 in Pomona?
We have 51 years of weather records for July 11 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.
July 11 Weather History in Pomona
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 87°F | 57°F | -- | -- |
| 2024 | 93°F | 68°F | -- | -- |
| 2023 | 94°F | 63°F | -- | -- |
| 2022 | 89°F | 60°F | -- | -- |
| 2021 | 92°F | 65°F | -- | -- |
| 2020 | 101°F | 70°F | -- | -- |
| 2019 | 91°F | 62°F | -- | -- |
| 2018 | 94°F | 68°F | -- | -- |
| 2017 | 89°F | 67°F | -- | -- |
| 2016 | 86°F | 58°F | -- | -- |
| 2015 | 84°F | 54°F | -- | -- |
| 2014 | 88°F | 57°F | -- | -- |
| 2013 | 86°F | 66°F | -- | -- |
| 2012 | 99°F | 64°F | 0" | -- |
| 2011 | 87°F | 62°F | 0" | -- |
| 2010 | 84°F | 61°F | 0" | -- |
| 2009 | 93°F | 68°F | 0" | -- |
| 2008 | 88°F | 66°F | 0" | -- |
| 2007 | 87°F | 62°F | 0" | -- |
| 2006 | 97°F | 64°F | 0" | -- |
| 2005 | 89°F | 62°F | 0" | -- |
| 2004 | 93°F | 61°F | -- | -- |
| 2003 | 96°F | 64°F | 0" | -- |
| 2002 | 91°F | 69°F | -- | -- |
| 2001 | 84°F | 56°F | 0" | -- |
| 2000 | 82°F | 51°F | -- | -- |
| 1999 | 99°F | 69°F | -- | -- |
| 1998 | 93°F | 54°F | 0" | -- |
| 1993 | 89°F | 56°F | 0" | -- |
| 1992 | 70°F | 62°F | 0" | -- |
| 1991 | 81°F | 61°F | 0" | -- |
| 1990 | 100°F | 71°F | 0" | -- |
| 1989 | 82°F | 58°F | 0" | -- |
| 1988 | 83°F | 65°F | 0" | -- |
| 1987 | 84°F | 54°F | 0" | -- |
| 1986 | 87°F | 56°F | 0" | -- |
| 1985 | 94°F | 65°F | 0" | -- |
| 1984 | 100°F | 60°F | 0" | -- |
| 1983 | 102°F | 59°F | 0" | -- |
| 1982 | 94°F | 55°F | 0" | -- |
| 1981 | 88°F | 57°F | 0" | -- |
| 1980 | 95°F | 59°F | 0" | -- |
| 1979 | 91°F | 57°F | 0" | -- |
| 1978 | 88°F | 58°F | 0" | -- |
| 1977 | 89°F | 56°F | 0" | -- |
| 1976 | 85°F | 61°F | 0" | -- |
| 1975 | 93°F | 63°F | 0" | -- |
| 1974 | 78°F | 55°F | 0" | -- |
| 1973 | 88°F | 56°F | 0" | -- |
| 1972 | 90°F | 60°F | 0" | -- |
| 1971 | 95°F | 63°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.