Weather on March 27
Rancho Cucamonga, CA
55 Years of Data
Avg High
70°F
Avg Low
48°F
Warmest
2015
76°F avg
Coldest
1975
45°F avg
About This Date
March 27th in Rancho Cucamonga, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 48°F. Over 42 years of records, the warmest March 27th was in 2015 (76°F average), while the coldest was 1975 (45°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 17% of March 27th dates historically, with the wettest March 27th recording 6.02" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for March 27th 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 |
|---|---|---|---|---|---|
| 2026 | 89° | 61° | 75° | — | — |
| 2025 | 66° | 55° | 61° | — | — |
| 2024 | 73° | 45° | 59° | — | — |
| 2023 | 69° | 40° | 54° | — | — |
| 2022 | 76° | 52° | 64° | — | — |
| 2021 | 79° | 43° | 61° | — | — |
| 2020 | 63° | 42° | 52° | — | — |
| 2019 | 75° | 54° | 64° | — | — |
| 2018 | 74° | 44° | 59° | — | — |
| 2017 | 73° | 50° | 62° | — | — |
| 2016 | 78° | 52° | 65° | — | — |
| 2015warmest | 93° | 59° | 76° | — | — |
| 2014 | 67° | 50° | 58° | — | — |
| 2013 | 75° | 52° | 63° | — | — |
| 2012 | 67° | 44° | 55° | — | — |
| 2011 | 62° | 50° | 56° | — | — |
| 2010 | 79° | 46° | 62° | — | — |
| 2009 | 79° | 49° | 64° | — | — |
| 2008 | 74° | 50° | 62° | — | — |
| 2007 | 62° | 49° | 55° | — | — |
| 2006 | 69° | 50° | 60° | 0.08" | — |
| 2005 | 75° | 46° | 61° | — | — |
| 2004 | 77° | 47° | 62° | — | — |
| 2003 | 75° | 54° | 64° | — | — |
| 2002 | 64° | 47° | 55° | — | — |
| 2001 | 77° | 50° | 64° | — | — |
| 2000 | 64° | 51° | 58° | 0.05" | — |
| 1999 | 64° | 52° | 58° | — | — |
| 1984 | 82° | 42° | 62° | 0.3" | — |
| 1983 | 61° | 43° | 52° | 0.03" | — |
| 1982 | 61° | 52° | 56° | — | — |
| 1981 | 60° | 40° | 50° | — | — |
| 1980 | 63° | 40° | 51° | — | — |
| 1979 | 61° | 46° | 53° | 6.02" | — |
| 1978 | 76° | 49° | 62° | — | — |
| 1977 | 65° | 39° | 52° | — | — |
| 1976 | 69° | 42° | 56° | — | — |
| 1975coldest | 57° | 33° | 45° | — | — |
| 1974 | 65° | 48° | 56° | 0.3" | — |
| 1973 | 51° | 45° | 48° | 0.2" | — |
| 1972 | 65° | 43° | 54° | — | — |
| 1971 | 64° | 51° | 58° | — | — |
42 years of data from ONTARIO INTL AP