Weather on March 9
Rancho Cucamonga, CA
55 Years of Data
Avg High
70°F
Avg Low
45°F
Warmest
2004
72°F avg
Coldest
1974
44°F avg
About This Date
March 9th in Rancho Cucamonga, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 45°F — a 25°F daily swing. Over 42 years of records, the warmest March 9th was in 2004 (72°F average), while the coldest was 1974 (44°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 17% of March 9th dates historically, with the wettest March 9th recording 0.79" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 9th in Rancho Cucamonga, CA? Great weather for outdoor activities.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 75° | 51° | 63° | — | — |
| 2025 | 75° | 44° | 60° | — | — |
| 2024 | 71° | 44° | 58° | — | — |
| 2023 | 69° | 43° | 56° | — | — |
| 2022 | 68° | 42° | 55° | — | — |
| 2021 | 63° | 43° | 53° | — | — |
| 2020 | 73° | 48° | 61° | 0.08" | — |
| 2019 | 65° | 46° | 55° | — | — |
| 2018 | 74° | 50° | 62° | — | — |
| 2017 | 86° | 49° | 67° | — | — |
| 2016 | 76° | 46° | 61° | — | — |
| 2015 | 78° | 48° | 63° | — | — |
| 2014 | 83° | 53° | 68° | — | — |
| 2013 | 62° | 47° | 54° | — | — |
| 2012 | 83° | 45° | 64° | — | — |
| 2011 | 84° | 46° | 65° | — | — |
| 2010 | 58° | 42° | 50° | 0.05" | — |
| 2009 | 59° | 48° | 54° | — | — |
| 2008 | 80° | 50° | 65° | — | — |
| 2007 | 72° | 46° | 59° | — | — |
| 2006 | 58° | 45° | 51° | — | — |
| 2005 | 79° | 49° | 64° | — | — |
| 2004warmest | 89° | 55° | 72° | — | — |
| 2003 | 78° | 45° | 61° | — | — |
| 2002 | 75° | 41° | 58° | — | — |
| 2001 | 60° | 44° | 52° | 0.38" | — |
| 2000 | 59° | 45° | 52° | — | — |
| 1999 | 58° | 43° | 50° | — | — |
| 1984 | 71° | 38° | 54° | — | — |
| 1983 | 84° | 50° | 67° | — | — |
| 1982 | 74° | 40° | 57° | — | — |
| 1981 | 76° | 42° | 59° | — | — |
| 1980 | 72° | 41° | 56° | — | — |
| 1979 | 72° | 48° | 60° | — | — |
| 1978 | 64° | 44° | 54° | 0.33" | — |
| 1977 | 65° | 39° | 52° | — | — |
| 1976 | 60° | 35° | 48° | — | — |
| 1975 | 55° | 47° | 51° | 0.79" | — |
| 1974coldest | 55° | 34° | 44° | 0.1" | — |
| 1973 | 62° | 37° | 50° | 0.08" | — |
| 1972 | 75° | 43° | 59° | — | — |
| 1971 | 65° | 36° | 50° | — | — |
42 years of data from ONTARIO INTL AP