Weather on February 28
Ontario, CA
55 Years of Data
Avg High
69°F
Avg Low
45°F
Warmest
2026
75°F avg
Coldest
1971
44°F avg
About This Date
February 28th in Ontario, CA typically brings mild winter weather, with average highs around 69°F and lows near 45°F. Over 41 years of records, the warmest February 28th was in 2026 (75°F average), while the coldest was 1971 (44°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 22% of February 28th dates historically, with the wettest February 28th recording 4.19" of rain. The last decade has been 5.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.9°F warmer on this date compared to 20-30 years ago.
Planning for February 28th in Ontario, CA? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 87° | 62° | 75° | — | — |
| 2025 | 78° | 51° | 65° | — | — |
| 2024 | 72° | 45° | 58° | — | — |
| 2023 | 55° | 44° | 50° | 0.99" | — |
| 2022 | 83° | 46° | 64° | — | — |
| 2021 | 72° | 45° | 58° | — | — |
| 2020 | 84° | 56° | 70° | — | — |
| 2019 | 70° | 37° | 53° | — | — |
| 2018 | 61° | 38° | 49° | — | — |
| 2017 | 61° | 42° | 51° | — | — |
| 2016 | 82° | 51° | 67° | — | — |
| 2015 | 61° | 49° | 55° | 0.53" | — |
| 2014 | 62° | 51° | 57° | 3.94" | — |
| 2013 | 80° | 42° | 61° | — | — |
| 2011 | 66° | 38° | 52° | — | — |
| 2010 | 64° | 39° | 52° | — | — |
| 2009 | 83° | 44° | 63° | — | — |
| 2008 | 77° | 50° | 64° | — | — |
| 2007 | 59° | 40° | 49° | — | — |
| 2006 | 64° | 50° | 57° | 2.21" | — |
| 2005 | 65° | 49° | 57° | — | — |
| 2004 | 62° | 38° | 50° | — | — |
| 2003 | 61° | 47° | 54° | — | — |
| 2002 | 68° | 47° | 57° | — | — |
| 2001 | 52° | 44° | 48° | 0.36" | — |
| 2000 | 59° | 43° | 51° | — | — |
| 1999 | 80° | 45° | 62° | — | — |
| 1984 | 73° | 37° | 55° | — | — |
| 1983 | 66° | 50° | 58° | 4.19" | — |
| 1982 | 76° | 39° | 57° | — | — |
| 1981 | 63° | 41° | 52° | — | — |
| 1980 | 66° | 46° | 56° | — | — |
| 1979 | 65° | 39° | 52° | — | — |
| 1978 | 63° | 52° | 57° | 2.51" | — |
| 1977 | 73° | 42° | 58° | — | — |
| 1976 | 77° | 45° | 61° | — | — |
| 1975 | 78° | 45° | 61° | — | — |
| 1974 | 68° | 41° | 55° | 0.3" | — |
| 1973 | 62° | 47° | 54° | 2.95" | — |
| 1972 | 76° | 46° | 61° | — | — |
| 1971coldest | 57° | 31° | 44° | — | — |
41 years of data from ONTARIO INTL AP