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Pomona, CA Weather on April 11
April 11th in Pomona, CA typically brings pleasant spring weather, with average highs around 74°F and lows near 48°F — a 26°F daily swing. Over 53 years of records, the warmest April 11th was in 1988 (72°F average), while the coldest was 1999 (45°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 4% of April 11th dates historically, with the wettest April 11th recording 0.69" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
What to Expect on April 11
Planning for April 11th in Pomona, CA? Great weather for outdoor activities.
April 11 Weather Records for Pomona
- •The all-time record high for April 11th in Pomona, CA is 90°F, set in 1988.
- •The coldest April 11th on record dropped to 39°F in 1999.
- •Temperatures have reached 90°F or higher on April 11th in 1 of the last 53 years.
Frequently Asked Questions
What was the warmest April 11 ever in Pomona?
The warmest April 11 in Pomona, CA reached 90°F in 1988. That is 16°F above the long-term average high of 74°F.
What was the coldest April 11 ever in Pomona?
The coldest April 11 in Pomona, CA dropped to 39°F in 1999. That is 9°F below the long-term average low of 48°F.
What is the average temperature on April 11 in Pomona?
On April 11, Pomona averages a high of 74°F and a low of 48°F based on 53 years of NOAA weather observations from POMONA/FAIRPLEX.
How many years of weather data are available for April 11 in Pomona?
We have 53 years of weather records for April 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.
April 11 Weather History in Pomona
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 85°F | 56°F | -- | -- |
| 2024 | 86°F | 54°F | -- | -- |
| 2023 | 76°F | 50°F | -- | -- |
| 2022 | 59°F | 49°F | -- | -- |
| 2021 | 76°F | 48°F | -- | -- |
| 2020 | 66°F | 43°F | -- | -- |
| 2019 | 70°F | 48°F | -- | -- |
| 2018 | 80°F | 51°F | -- | -- |
| 2017 | 75°F | 49°F | -- | -- |
| 2016 | 70°F | 51°F | -- | -- |
| 2015 | 74°F | 44°F | -- | -- |
| 2014 | 84°F | 46°F | -- | -- |
| 2013 | 78°F | 49°F | -- | -- |
| 2012 | 64°F | 50°F | 0.63" | -- |
| 2011 | 76°F | 46°F | 0" | -- |
| 2010 | 57°F | 44°F | -- | -- |
| 2009 | 86°F | 49°F | 0" | -- |
| 2008 | 88°F | 49°F | 0" | -- |
| 2007 | 72°F | 49°F | 0" | -- |
| 2006 | 69°F | 50°F | 0" | -- |
| 2005 | 81°F | 48°F | 0" | -- |
| 2004 | 87°F | 52°F | 0" | -- |
| 2003 | 73°F | 53°F | 0" | -- |
| 2002 | 74°F | 48°F | 0" | -- |
| 2001 | 54°F | 46°F | 0" | -- |
| 2000 | 84°F | 51°F | -- | -- |
| 1999 | 51°F | 39°F | -- | -- |
| 1998 | 61°F | 45°F | 0.69" | -- |
| 1995 | 78°F | 40°F | 0" | -- |
| 1994 | 88°F | 46°F | 0" | -- |
| 1993 | 81°F | 47°F | 0" | -- |
| 1992 | 71°F | 47°F | 0" | -- |
| 1991 | 69°F | 45°F | 0" | -- |
| 1990 | 85°F | 50°F | 0" | -- |
| 1989 | 76°F | 56°F | 0" | -- |
| 1988 | 90°F | 54°F | 0" | -- |
| 1987 | 65°F | 51°F | 0" | -- |
| 1986 | 69°F | 49°F | 0" | -- |
| 1985 | 77°F | 55°F | 0" | -- |
| 1984 | 76°F | 51°F | 0" | -- |
| 1983 | 62°F | 45°F | 0" | -- |
| 1982 | 70°F | 64°F | 0" | -- |
| 1981 | 72°F | 52°F | 0" | -- |
| 1980 | 84°F | 49°F | 0" | -- |
| 1979 | 70°F | 45°F | 0" | -- |
| 1978 | 76°F | 48°F | 0" | -- |
| 1977 | 66°F | 44°F | 0" | -- |
| 1976 | 68°F | 42°F | 0" | -- |
| 1975 | 61°F | 44°F | 0" | -- |
| 1974 | 68°F | 39°F | 0" | -- |
| 1973 | 76°F | 45°F | 0" | -- |
| 1972 | 75°F | 44°F | 0" | -- |
| 1971 | 76°F | 47°F | 0" | -- |
Based on 53 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.