Weather on March 15
Riverside, CA
55 Years of Data
Avg High
73°F
Avg Low
45°F
Warmest
2015
76°F avg
Coldest
1999
47°F avg
About This Date
March 15th in Riverside, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 45°F — a 28°F daily swing. Over 56 years of records, the warmest March 15th was in 2015 (76°F average), while the coldest was 1999 (47°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 14% of March 15th dates historically, with the wettest March 15th recording 5.05" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for March 15th in Riverside, CA? Great weather for outdoor activities.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 90° | 52° | 71° | — | — |
| 2025 | 64° | 41° | 53° | — | — |
| 2024 | 66° | 49° | 57° | 1.12" | — |
| 2023 | 66° | 51° | 59° | 1.8" | — |
| 2022 | 83° | 49° | 66° | — | — |
| 2021 | 54° | 41° | 47° | 0.2" | — |
| 2020 | 62° | 49° | 55° | — | — |
| 2019 | 73° | 41° | 57° | — | — |
| 2018 | 64° | 49° | 56° | 0.56" | — |
| 2017 | 88° | 55° | 71° | — | — |
| 2016 | 83° | 50° | 66° | — | — |
| 2015warmest | 91° | 60° | 76° | — | — |
| 2014 | 88° | 48° | 68° | — | — |
| 2013 | 87° | 54° | 70° | — | — |
| 2012 | 73° | 50° | 62° | — | — |
| 2011 | 82° | 50° | 66° | — | — |
| 2010 | 81° | 48° | 64° | — | — |
| 2009 | 64° | 46° | 55° | — | — |
| 2008 | 75° | 46° | 61° | — | — |
| 2007 | 83° | 44° | 63° | — | — |
| 2006 | 65° | 40° | 52° | — | — |
| 2005 | 73° | 35° | 54° | — | — |
| 2004 | 79° | 52° | 65° | — | — |
| 2003 | 58° | 52° | 55° | 5.05" | — |
| 2002 | 64° | 36° | 50° | — | — |
| 2001 | 68° | 47° | 57° | — | — |
| 2000 | 78° | 47° | 62° | — | — |
| 1999coldest | 56° | 39° | 47° | 0.03" | — |
| 1998 | 72° | 45° | 58° | — | — |
| 1997 | 79° | 47° | 63° | — | — |
| 1996 | 73° | 43° | 58° | — | — |
| 1995 | 82° | 52° | 67° | — | — |
| 1994 | 84° | 48° | 66° | — | — |
| 1993 | 76° | 55° | 65° | — | — |
| 1992 | 70° | 43° | 56° | — | — |
| 1991 | 57° | 45° | 51° | 0.13" | — |
| 1990 | 80° | 40° | 60° | — | — |
| 1989 | 74° | 47° | 60° | — | — |
| 1988 | 78° | 40° | 59° | — | — |
| 1987 | 61° | 44° | 52° | 0.58" | — |
| 1986 | 62° | 40° | 51° | — | — |
| 1985 | 65° | 48° | 56° | — | — |
| 1984 | 72° | 49° | 60° | — | — |
| 1983 | 70° | 41° | 55° | — | — |
| 1982 | 58° | 46° | 52° | — | — |
| 1981 | 77° | 40° | 58° | — | — |
| 1980 | 72° | 43° | 57° | — | — |
| 1979 | 64° | 44° | 54° | — | — |
| 1978 | 81° | 42° | 61° | — | — |
| 1977 | 65° | 34° | 49° | — | — |
| 1976 | 85° | 41° | 63° | — | — |
| 1975 | 65° | 36° | 50° | — | — |
| 1974 | 83° | 47° | 65° | — | — |
| 1973 | 72° | 40° | 56° | — | — |
| 1972 | 83° | 48° | 65° | — | — |
| 1971 | 76° | 38° | 57° | — | — |
56 years of data from RIVERSIDE MUNI AP