Weather on March 17
Rialto, CA
55 Years of Data
Avg High
71°F
Avg Low
47°F
Warmest
2026
79°F avg
Coldest
2012
42°F avg
About This Date
March 17th in Rialto, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 47°F. Over 49 years of records, the warmest March 17th was in 2026 (79°F average), while the coldest was 2012 (42°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 8% of March 17th dates historically, with the wettest March 17th recording 4.5" of rain.
Planning for March 17th in Rialto, CA? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 99° | 60° | 79° | — | — |
| 2025 | 66° | 49° | 58° | — | — |
| 2017 | 84° | 59° | 72° | — | — |
| 2016 | 79° | 55° | 67° | — | — |
| 2015 | 77° | 57° | 67° | — | — |
| 2014 | 75° | 54° | 64° | — | — |
| 2013 | 70° | 46° | 58° | — | — |
| 2012coldest | 49° | 35° | 42° | — | — |
| 2011 | 69° | 46° | 58° | — | — |
| 2010 | 81° | 56° | 68° | — | — |
| 2009 | 80° | 53° | 67° | — | — |
| 2008 | 65° | 47° | 56° | — | — |
| 2007 | 82° | 52° | 67° | — | — |
| 2006 | 49° | 38° | 43° | — | — |
| 2005 | 66° | 45° | 55° | — | — |
| 2004 | 89° | 61° | 75° | — | — |
| 2003 | 61° | 42° | 51° | — | — |
| 2002 | 50° | 36° | 43° | — | — |
| 2001 | 81° | 43° | 62° | — | — |
| 2000 | 80° | 49° | 64° | — | — |
| 1999 | 58° | 41° | 49° | — | — |
| 1998 | 62° | 50° | 56° | — | — |
| 1997 | 74° | 45° | 59° | — | — |
| 1996 | 70° | 45° | 57° | — | — |
| 1995 | 68° | 48° | 58° | — | — |
| 1994 | 78° | 53° | 66° | — | — |
| 1993 | 67° | 55° | 61° | — | — |
| 1992 | 61° | 47° | 54° | — | — |
| 1991 | 59° | 38° | 48° | — | — |
| 1990 | 78° | 48° | 63° | — | — |
| 1989 | 68° | 50° | 59° | — | — |
| 1988 | 76° | 42° | 59° | — | — |
| 1987 | 69° | 39° | 54° | — | — |
| 1986 | 66° | 38° | 52° | — | — |
| 1985 | 75° | 43° | 59° | — | — |
| 1984 | 70° | 48° | 59° | — | — |
| 1983 | 64° | 49° | 56° | 0.97" | — |
| 1982 | 52° | 39° | 45° | 4.5" | — |
| 1981 | — | 52° | — | — | — |
| 1980 | 76° | 43° | 59° | — | — |
| 1979 | 58° | 41° | 49° | 1.35" | — |
| 1978 | 89° | 46° | 68° | — | — |
| 1977 | 60° | 41° | 51° | 0.28" | — |
| 1976 | 83° | 53° | 68° | — | — |
| 1975 | 68° | 36° | 52° | — | — |
| 1974 | 81° | 50° | 65° | — | — |
| 1973 | 67° | 43° | 55° | — | — |
| 1972 | 79° | 47° | 63° | — | — |
| 1971 | 83° | 44° | 63° | — | — |
49 years of data from DEVORE CALIFORNIA