Weather on March 14
Ontario, CA
55 Years of Data
About This Date
March 14th in Ontario, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 47°F. Over 41 years of records, the warmest March 14th was in 2013 (75°F average), while the coldest was 1975 (45°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 20% of March 14th dates historically, with the wettest March 14th recording 3.71" 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 14th in Ontario, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 84° | 56° | 70° | — | — |
| 2025 | 48° | 42° | 45° | 0.2" | — |
| 2024 | 65° | 48° | 56° | — | — |
| 2023 | 58° | 51° | 54° | 3.71" | — |
| 2022 | 81° | 47° | 64° | — | — |
| 2021 | 62° | 46° | 54° | — | — |
| 2020 | 60° | 53° | 57° | 0.03" | — |
| 2019 | 71° | 45° | 58° | — | — |
| 2018 | 63° | 52° | 57° | 0.66" | — |
| 2017 | 90° | 56° | 73° | — | — |
| 2016 | 67° | 53° | 60° | 0.05" | — |
| 2015 | 91° | 55° | 73° | — | — |
| 2014 | 77° | 49° | 63° | — | — |
| 2013warmest | 94° | 56° | 75° | — | — |
| 2012 | 70° | 44° | 57° | — | — |
| 2011 | 75° | 49° | 62° | — | — |
| 2010 | 71° | 39° | 55° | — | — |
| 2009 | 62° | 48° | 55° | — | — |
| 2008 | 66° | 50° | 58° | — | — |
| 2007 | 79° | 51° | 65° | — | — |
| 2006 | 64° | 50° | 57° | — | — |
| 2005 | 71° | 49° | 60° | — | — |
| 2004 | 82° | 50° | 66° | — | — |
| 2003 | 68° | 54° | 61° | — | — |
| 2002 | 64° | 37° | 51° | — | — |
| 2001 | 67° | 44° | 55° | — | — |
| 2000 | 80° | 49° | 64° | — | — |
| 1999 | 69° | 44° | 57° | — | — |
| 1983 | 66° | 54° | 60° | 1.63" | — |
| 1982 | 56° | 48° | 52° | — | — |
| 1981 | 62° | 39° | 51° | — | — |
| 1980 | 74° | 44° | 59° | — | — |
| 1979 | 65° | 49° | 57° | 0.15" | — |
| 1978 | 69° | 41° | 55° | — | — |
| 1977 | 62° | 36° | 49° | — | — |
| 1976 | 73° | 41° | 57° | — | — |
| 1975coldest | 57° | 33° | 45° | 1.17" | — |
| 1974 | 81° | 46° | 63° | — | — |
| 1973 | 63° | 33° | 48° | — | — |
| 1972 | 75° | 48° | 62° | — | — |
| 1971 | 63° | 35° | 49° | — | — |
Ontario, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Ontario, CA Monthly Precipitation
Average rainfall per month, in inches.
Ontario, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Ontario, CA
Ontario, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.