Weather on April 1
Pomona, CA
55 Years of Data
Avg High
72°F
Avg Low
46°F
Warmest
1998
83°F avg
Coldest
1999
43°F avg
About This Date
April 1st in Pomona, CA typically brings pleasant spring weather, with average highs around 72°F and lows near 46°F — a 26°F daily swing. Over 54 years of records, the warmest April 1st was in 1998 (83°F average), while the coldest was 1999 (43°F) — a 40°F range across recorded history. Rain or other precipitation has occurred on about 15% of April 1st dates historically, with the wettest April 1st recording 2.95" of rain. The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.4°F cooler on this date compared to 20-30 years ago.
Planning for April 1st in Pomona, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 68° | 53° | 61° | — | — |
| 2025 | 63° | 45° | 54° | — | — |
| 2024 | 67° | 41° | 54° | — | — |
| 2023 | 70° | 43° | 56° | — | — |
| 2022 | 70° | 50° | 60° | — | — |
| 2021 | 86° | 54° | 70° | — | — |
| 2020 | 71° | 51° | 61° | — | — |
| 2019 | 80° | 54° | 67° | — | — |
| 2018 | 70° | 47° | 58° | — | — |
| 2017 | 76° | 46° | 61° | — | — |
| 2016 | 75° | 44° | 60° | — | — |
| 2015 | 76° | 50° | 63° | — | — |
| 2014 | 65° | 49° | 57° | 0.1" | — |
| 2013 | 62° | 48° | 55° | — | — |
| 2012 | 70° | 42° | 56° | — | — |
| 2011 | 92° | 58° | 75° | — | — |
| 2010 | 61° | 40° | 50° | — | — |
| 2009 | 71° | 46° | 59° | — | — |
| 2008 | 66° | 42° | 54° | — | — |
| 2007 | 81° | 45° | 63° | — | — |
| 2006 | 62° | 45° | 53° | 0.1" | — |
| 2005 | 85° | 47° | 66° | — | — |
| 2004 | 60° | 49° | 54° | 0.76" | — |
| 2003 | 90° | 53° | 71° | — | — |
| 2002 | 76° | 48° | 62° | — | — |
| 2001 | 61° | 54° | 57° | — | — |
| 2000 | 79° | 51° | 65° | — | — |
| 1999coldest | 51° | 35° | 43° | — | — |
| 1998warmest | 127° | 40° | 83° | 0.64" | — |
| 1995 | 85° | 41° | 63° | — | — |
| 1994 | 75° | 48° | 62° | — | — |
| 1993 | 66° | 47° | 56° | — | — |
| 1992 | 64° | 44° | 54° | — | — |
| 1991 | 62° | 45° | 53° | 0.05" | — |
| 1990 | 63° | 44° | 53° | — | — |
| 1989 | 80° | 48° | 64° | — | — |
| 1988 | 79° | 43° | 61° | — | — |
| 1987 | 78° | 39° | 59° | — | — |
| 1986 | 65° | 54° | 59° | — | — |
| 1985 | 92° | 34° | 63° | — | — |
| 1984 | 67° | 39° | 53° | — | — |
| 1983 | 85° | 46° | 65° | — | — |
| 1982 | 56° | 46° | 51° | 2.95" | — |
| 1981 | 68° | 42° | 55° | — | — |
| 1980 | 67° | 40° | 53° | — | — |
| 1979 | 73° | 44° | 59° | — | — |
| 1978 | 64° | 47° | 55° | 0.71" | — |
| 1977 | 60° | — | — | — | — |
| 1976 | 78° | 41° | 60° | — | — |
| 1975 | 55° | 42° | 49° | 0.03" | — |
| 1974 | 68° | 51° | 60° | — | — |
| 1973 | 59° | 42° | 51° | — | — |
| 1972 | 77° | 49° | 63° | — | — |
| 1971 | 73° | 51° | 62° | — | — |
54 years of data from POMONA/FAIRPLEX