Weather on February 17
Ontario, CA
55 Years of Data
Avg High
68°F
Avg Low
45°F
Warmest
2007
72°F avg
Coldest
1975
44°F avg
About This Date
February 17th in Ontario, CA typically brings mild winter weather, with average highs around 68°F and lows near 45°F. Over 41 years of records, the warmest February 17th was in 2007 (72°F average), while the coldest was 1975 (44°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 27% of February 17th dates historically, with the wettest February 17th recording 7.34" 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 February 17th in Ontario, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 58° | 46° | 52° | 0.69" | — |
| 2025 | 70° | 44° | 57° | — | — |
| 2024 | 63° | 50° | 56° | — | — |
| 2023 | 67° | 41° | 54° | — | — |
| 2022 | 70° | 44° | 57° | — | — |
| 2021 | 66° | 41° | 54° | — | — |
| 2020 | 73° | 44° | 59° | — | — |
| 2019 | 56° | 39° | 47° | 0.15" | — |
| 2018 | 76° | 45° | 60° | — | — |
| 2017 | 57° | 49° | 53° | 3.61" | — |
| 2016 | 79° | 51° | 65° | 0.91" | — |
| 2015 | 75° | 56° | 65° | — | — |
| 2014 | 78° | 49° | 63° | — | — |
| 2013 | 70° | 40° | 55° | — | — |
| 2012 | 70° | 45° | 57° | — | — |
| 2011 | 58° | 39° | 48° | — | — |
| 2010 | 78° | 49° | 63° | — | — |
| 2009 | 56° | 42° | 49° | 0.89" | — |
| 2008 | 64° | 42° | 53° | — | — |
| 2007warmest | 84° | 60° | 72° | — | — |
| 2006 | 60° | 42° | 51° | 0.3" | — |
| 2005 | 73° | 48° | 61° | 0.48" | — |
| 2004 | 81° | 51° | 66° | — | — |
| 2003 | 64° | 52° | 58° | — | — |
| 2002 | 56° | 47° | 51° | 0.46" | — |
| 2001 | 66° | 43° | 54° | — | — |
| 2000 | 58° | 43° | 50° | — | — |
| 1999 | 66° | 46° | 56° | — | — |
| 1984 | 65° | 28° | 46° | — | — |
| 1982 | 66° | 52° | 59° | — | — |
| 1981 | 83° | 49° | 66° | — | — |
| 1980 | 65° | 52° | 58° | 7.34" | — |
| 1979 | 67° | 38° | 52° | — | — |
| 1978 | 65° | 37° | 51° | — | — |
| 1977 | 84° | 53° | 69° | — | — |
| 1976 | 65° | 39° | 52° | — | — |
| 1975coldest | 55° | 33° | 44° | 0.05" | — |
| 1974 | 60° | 44° | 52° | — | — |
| 1973 | 67° | 39° | 53° | — | — |
| 1972 | 78° | 44° | 61° | — | — |
| 1971 | 60° | 39° | 50° | 2.34" | — |
41 years of data from ONTARIO INTL AP