Weather on February 28
Ontario, CA
55 Years of Data
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.
| 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° | — | — |
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.