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West Covina, CA Weather on May 26
May 26th in West Covina, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 55°F. Over 55 years of records, the warmest May 26th was in 2020 (76°F average), while the coldest was 2019 (55°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 26th dates historically. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
What to Expect on May 26
Planning for May 26th in West Covina, CA? Great weather for outdoor activities.
May 26 Weather Records for West Covina
- •The all-time record high for May 26th in West Covina, CA is 93°F, set in 2020.
- •The coldest May 26th on record dropped to 45°F in 1980.
- •Temperatures have reached 90°F or higher on May 26th in 4 of the last 55 years.
Frequently Asked Questions
What was the warmest May 26 ever in West Covina?
The warmest May 26 in West Covina, CA reached 93°F in 2020. That is 15°F above the long-term average high of 78°F.
What was the coldest May 26 ever in West Covina?
The coldest May 26 in West Covina, CA dropped to 45°F in 1980. That is 10°F below the long-term average low of 55°F.
What is the average temperature on May 26 in West Covina?
On May 26, West Covina averages a high of 78°F and a low of 55°F based on 55 years of NOAA weather observations from SANTA FE DAM CALIFORNIA.
How many years of weather data are available for May 26 in West Covina?
We have 55 years of weather records for May 26 in West Covina, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
May 26 Weather History in West Covina
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 77°F | 58°F | -- | -- |
| 2024 | 77°F | 54°F | -- | -- |
| 2023 | 66°F | 57°F | -- | -- |
| 2022 | 84°F | 58°F | -- | -- |
| 2021 | 83°F | 57°F | -- | -- |
| 2020 | 93°F | 59°F | -- | -- |
| 2019 | 60°F | 50°F | -- | -- |
| 2018 | 69°F | 54°F | -- | -- |
| 2017 | 73°F | 56°F | -- | -- |
| 2016 | 77°F | 53°F | -- | -- |
| 2015 | 78°F | 61°F | -- | -- |
| 2014 | 92°F | 57°F | -- | -- |
| 2013 | 81°F | 54°F | -- | -- |
| 2012 | 73°F | 50°F | -- | -- |
| 2011 | 80°F | 49°F | -- | -- |
| 2010 | 80°F | 47°F | -- | -- |
| 2009 | 82°F | 57°F | -- | -- |
| 2008 | 69°F | 49°F | -- | -- |
| 2007 | 84°F | 56°F | -- | -- |
| 2006 | 74°F | 59°F | -- | -- |
| 2005 | 89°F | 55°F | -- | -- |
| 2004 | 78°F | 54°F | -- | -- |
| 2003 | 84°F | 52°F | -- | -- |
| 2002 | 72°F | 51°F | -- | -- |
| 2001 | 73°F | 56°F | -- | -- |
| 2000 | 78°F | 55°F | -- | -- |
| 1999 | 78°F | 54°F | -- | -- |
| 1998 | 71°F | 50°F | -- | -- |
| 1997 | 92°F | 58°F | -- | -- |
| 1996 | 80°F | 51°F | -- | -- |
| 1995 | 79°F | 49°F | -- | -- |
| 1994 | 72°F | 52°F | -- | -- |
| 1993 | 78°F | 59°F | 0" | -- |
| 1992 | 78°F | 61°F | 0" | -- |
| 1991 | 77°F | 56°F | 0" | -- |
| 1990 | 79°F | 54°F | 0" | -- |
| 1989 | 81°F | 53°F | 0" | -- |
| 1988 | 82°F | 53°F | 0" | -- |
| 1987 | 70°F | 54°F | 0.08" | -- |
| 1986 | 85°F | 59°F | 0" | -- |
| 1985 | 76°F | 58°F | 0" | -- |
| 1984 | 86°F | 59°F | 0" | -- |
| 1983 | 83°F | 62°F | 0" | -- |
| 1982 | 73°F | 59°F | 0" | -- |
| 1981 | 78°F | 62°F | 0" | -- |
| 1980 | 70°F | 45°F | 0" | -- |
| 1979 | 80°F | 62°F | 0" | -- |
| 1978 | 76°F | 48°F | 0" | -- |
| 1977 | 74°F | 47°F | 0" | -- |
| 1976 | 83°F | 53°F | 0" | -- |
| 1975 | 79°F | 56°F | 0" | -- |
| 1974 | 93°F | 58°F | 0" | -- |
| 1973 | 76°F | 56°F | 0" | -- |
| 1972 | 76°F | 48°F | 0" | -- |
| 1971 | 78°F | 56°F | 0" | -- |
Based on 55 years of data from NOAA station: SANTA FE DAM CALIFORNIA
Monthly Climate Averages
Historical temperature and precipitation averages for West Covina, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.