Weather on March 27
Rialto, CA
55 Years of Data
Avg High
67°F
Avg Low
48°F
Warmest
2026
76°F avg
Coldest
1991
41°F avg
About This Date
March 27th in Rialto, CA typically brings mild spring weather, with average highs around 67°F and lows near 48°F. Over 49 years of records, the warmest March 27th was in 2026 (76°F average), while the coldest was 1991 (41°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 18% of March 27th dates historically, with the wettest March 27th recording 3" of rain.
Planning for March 27th in Rialto, CA? Great weather for outdoor activities.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 93° | 59° | 76° | — | — |
| 2025 | 66° | 55° | 60° | — | — |
| 2017 | 65° | 50° | 57° | — | — |
| 2016 | 75° | 54° | 64° | — | — |
| 2015 | 87° | 62° | 75° | — | — |
| 2014 | 58° | 47° | 52° | — | — |
| 2013 | 69° | 47° | 58° | — | — |
| 2012 | 63° | 42° | 52° | — | — |
| 2011 | 55° | 45° | 50° | — | — |
| 2010 | 69° | 54° | 61° | — | — |
| 2009 | 70° | 55° | 62° | — | — |
| 2008 | 69° | 47° | 58° | — | — |
| 2007 | 52° | 41° | 46° | — | — |
| 2006 | 67° | 47° | 57° | — | — |
| 2005 | 74° | 48° | 61° | — | — |
| 2004 | 79° | 45° | 62° | — | — |
| 2003 | 75° | 50° | 63° | — | — |
| 2002 | 65° | 45° | 55° | — | — |
| 2001 | 87° | 47° | 67° | — | — |
| 2000 | 60° | 48° | 54° | — | — |
| 1999 | 59° | 50° | 55° | — | — |
| 1998 | 56° | 51° | 53° | 0.3" | — |
| 1997 | 71° | 51° | 61° | — | — |
| 1996 | 68° | 45° | 56° | — | — |
| 1995 | 63° | 47° | 55° | — | — |
| 1994 | 72° | 42° | 57° | — | — |
| 1993 | 51° | 43° | 47° | — | — |
| 1992 | 52° | 49° | 50° | — | — |
| 1991coldest | 47° | 35° | 41° | — | — |
| 1990 | 61° | 53° | 57° | — | — |
| 1989 | 66° | 41° | 54° | — | — |
| 1988 | 89° | 55° | 72° | — | — |
| 1987 | 73° | 43° | 58° | — | — |
| 1986 | 69° | 52° | 60° | — | — |
| 1985 | 60° | 45° | 52° | 2.08" | — |
| 1984 | 81° | 49° | 65° | 0.08" | — |
| 1983 | 66° | 48° | 57° | — | — |
| 1982 | 68° | 52° | 60° | 0.03" | — |
| 1981 | 64° | 41° | 53° | 0.15" | — |
| 1980 | 65° | 43° | 54° | — | — |
| 1979 | 62° | 49° | 55° | 3" | — |
| 1978 | 78° | 50° | 64° | — | — |
| 1977 | 70° | 39° | 54° | — | — |
| 1976 | 72° | 44° | 58° | 0.03" | — |
| 1975 | 63° | 37° | 50° | — | — |
| 1974 | 69° | 52° | 60° | 0.13" | — |
| 1973 | 52° | 46° | 49° | 0.13" | — |
| 1972 | 65° | 45° | 55° | — | — |
| 1971 | 73° | 55° | 64° | — | — |
49 years of data from DEVORE CALIFORNIA