Weather on March 11
Ontario, CA
55 Years of Data
About This Date
March 11th in Ontario, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 47°F. Over 42 years of records, the warmest March 11th was in 2007 (73°F average), while the coldest was 2006 (44°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 29% of March 11th dates historically, with the wettest March 11th recording 1.93" of rain. The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
Planning for March 11th in Ontario, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 82° | 51° | 67° | — | — |
| 2025 | 60° | 50° | 55° | 0.1" | — |
| 2024 | 65° | 44° | 54° | — | — |
| 2023 | 64° | 40° | 52° | 0.41" | — |
| 2022 | 73° | 48° | 61° | — | — |
| 2021 | 56° | 41° | 48° | 0.15" | — |
| 2020 | 73° | 54° | 63° | — | — |
| 2019 | 69° | 44° | 57° | — | — |
| 2018 | 69° | 55° | 62° | — | — |
| 2017 | 85° | 50° | 67° | — | — |
| 2016 | 67° | 49° | 58° | 0.81" | — |
| 2015 | 76° | 60° | 68° | — | — |
| 2014 | 80° | 52° | 66° | — | — |
| 2013 | 79° | 45° | 62° | — | — |
| 2012 | 68° | 46° | 57° | — | — |
| 2011 | 75° | 48° | 62° | — | — |
| 2010 | 66° | 37° | 52° | — | — |
| 2009 | 62° | 43° | 52° | — | — |
| 2008 | 81° | 51° | 66° | — | — |
| 2007warmest | 94° | 52° | 73° | — | — |
| 2006coldest | 48° | 39° | 44° | 0.69" | — |
| 2005 | 81° | 49° | 65° | 0.03" | — |
| 2004 | 88° | 57° | 72° | — | — |
| 2003 | 77° | 51° | 64° | — | — |
| 2002 | 81° | 46° | 63° | — | — |
| 2001 | 55° | 47° | 51° | — | — |
| 2000 | 79° | 45° | 62° | — | — |
| 1999 | 53° | 42° | 48° | 0.05" | — |
| 1984 | 78° | 42° | 60° | — | — |
| 1983 | 64° | 55° | 60° | — | — |
| 1982 | 73° | 55° | 64° | 0.99" | — |
| 1981 | 72° | 43° | 57° | — | — |
| 1980 | 62° | 43° | 52° | 0.2" | — |
| 1979 | 79° | 47° | 63° | — | — |
| 1978 | 55° | 46° | 51° | 1.91" | — |
| 1977 | 68° | 43° | 55° | — | — |
| 1976 | 53° | 45° | 49° | 0.05" | — |
| 1975 | 53° | 42° | 48° | — | — |
| 1974 | 67° | 36° | 51° | — | — |
| 1973 | 54° | 44° | 49° | 1.93" | — |
| 1972 | 78° | 47° | 62° | — | — |
| 1971 | 65° | 40° | 52° | — | — |
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.