Weather on April 28
Rancho Cucamonga, CA
55 Years of Data
Avg High
76°F
Avg Low
50°F
Warmest
2008
79°F avg
Coldest
1971
49°F avg
About This Date
April 28th in Rancho Cucamonga, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 50°F — a 26°F daily swing. Over 41 years of records, the warmest April 28th was in 2008 (79°F average), while the coldest was 1971 (49°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 7% of April 28th dates historically, with the wettest April 28th recording 1.83" of rain. The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
Planning for April 28th in Rancho Cucamonga, CA? Great weather for outdoor activities.
Warming Trend
1.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 51° | 61° | — | — |
| 2024 | 78° | 50° | 64° | — | — |
| 2023 | 84° | 53° | 69° | — | — |
| 2022 | 67° | 52° | 59° | — | — |
| 2021 | 87° | 46° | 67° | — | — |
| 2020 | 91° | 63° | 77° | — | — |
| 2019 | 81° | 61° | 71° | — | — |
| 2018 | 76° | 51° | 63° | — | — |
| 2017 | 82° | 54° | 68° | — | — |
| 2016 | 67° | 51° | 59° | — | — |
| 2015 | 93° | 57° | 75° | — | — |
| 2014 | 83° | 51° | 67° | — | — |
| 2013 | 88° | 53° | 70° | — | — |
| 2012 | 85° | 53° | 69° | — | — |
| 2011 | 82° | 57° | 70° | — | — |
| 2010 | 67° | 52° | 59° | 0.03" | — |
| 2009 | 67° | 50° | 58° | — | — |
| 2008warmest | 97° | 61° | 79° | — | — |
| 2007 | 92° | 56° | 74° | — | — |
| 2006 | 64° | 55° | 60° | — | — |
| 2005 | 66° | 51° | 59° | 1.83" | — |
| 2004 | 83° | 58° | 70° | — | — |
| 2003 | 70° | 48° | 59° | — | — |
| 2002 | 76° | 45° | 60° | — | — |
| 2001 | 67° | 54° | 60° | — | — |
| 2000 | 70° | 54° | 62° | — | — |
| 1999 | 61° | 45° | 53° | 0.3" | — |
| 1984 | 70° | 35° | 52° | — | — |
| 1983 | 64° | 46° | 55° | — | — |
| 1982 | 75° | 49° | 62° | — | — |
| 1981 | 94° | 54° | 74° | — | — |
| 1980 | 64° | 52° | 58° | — | — |
| 1979 | 72° | 44° | 58° | — | — |
| 1978 | 75° | 47° | 61° | — | — |
| 1977 | 71° | 52° | 61° | — | — |
| 1976 | 78° | 47° | 62° | — | — |
| 1975 | 73° | 40° | 56° | — | — |
| 1974 | 77° | 39° | 58° | — | — |
| 1973 | 61° | 50° | 55° | — | — |
| 1972 | 80° | 47° | 63° | — | — |
| 1971coldest | 63° | 36° | 49° | — | — |
41 years of data from ONTARIO INTL AP