Weather on April 30
Rancho Cucamonga, CA
55 Years of Data
Avg High
76°F
Avg Low
52°F
Warmest
2015
79°F avg
Coldest
1973
50°F avg
About This Date
April 30th in Rancho Cucamonga, CA typically brings pleasant spring weather, with average highs around 76°F and lows near 52°F. Over 41 years of records, the warmest April 30th was in 2015 (79°F average), while the coldest was 1973 (50°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 15% of April 30th dates historically, with the wettest April 30th recording 0.89" 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 30th in Rancho Cucamonga, CA? Great weather for outdoor activities.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 54° | 65° | — | — |
| 2024 | 80° | 54° | 67° | — | — |
| 2023 | 78° | 54° | 66° | — | — |
| 2022 | 85° | 53° | 69° | — | — |
| 2021 | 98° | 60° | 79° | — | — |
| 2020 | 89° | 61° | 75° | — | — |
| 2019 | 70° | 58° | 64° | — | — |
| 2018 | 65° | 54° | 59° | — | — |
| 2017 | 88° | 54° | 71° | — | — |
| 2016 | 67° | 52° | 59° | 0.03" | — |
| 2015warmest | 95° | 62° | 79° | — | — |
| 2014 | 88° | 67° | 77° | — | — |
| 2013 | 75° | 57° | 66° | — | — |
| 2012 | 76° | 59° | 67° | — | — |
| 2011 | 77° | 49° | 63° | — | — |
| 2010 | 72° | 45° | 58° | — | — |
| 2009 | 78° | 50° | 64° | — | — |
| 2008 | 68° | 55° | 62° | — | — |
| 2007 | 81° | 56° | 68° | — | — |
| 2006 | 81° | 52° | 66° | — | — |
| 2005 | 75° | 51° | 63° | — | — |
| 2004 | 83° | 51° | 67° | — | — |
| 2003 | 68° | 46° | 57° | — | — |
| 2002 | 67° | 49° | 58° | — | — |
| 2001 | 84° | 53° | 69° | — | — |
| 2000 | 88° | 48° | 68° | — | — |
| 1999 | 57° | 46° | 52° | 0.18" | — |
| 1984 | 73° | 48° | 61° | — | — |
| 1983 | 63° | 53° | 58° | 0.89" | — |
| 1982 | 72° | 56° | 64° | — | — |
| 1981 | 89° | 57° | 73° | — | — |
| 1980 | 58° | 50° | 54° | 0.15" | — |
| 1979 | 70° | 51° | 60° | — | — |
| 1978 | 59° | 52° | 55° | 0.25" | — |
| 1977 | 74° | 45° | 59° | — | — |
| 1976 | 90° | 48° | 69° | — | — |
| 1975 | 73° | 42° | 58° | — | — |
| 1974 | 88° | 51° | 69° | — | — |
| 1973coldest | 56° | 44° | 50° | 0.38" | — |
| 1972 | 82° | 45° | 63° | — | — |
| 1971 | 79° | 42° | 60° | — | — |
41 years of data from ONTARIO INTL AP