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Sunnyvale, CA Weather on May 26
May 26th in Sunnyvale, CA typically brings pleasant spring weather, with average highs around 72°F and lows near 54°F. Over 55 years of records, the warmest May 26th was in 2020 (80°F average), while the coldest was 1998 (55°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 5% of May 26th dates historically. Temperatures on this date have remained relatively stable over the past several decades.
What to Expect on May 26
Planning for May 26th in Sunnyvale, CA? Great weather for outdoor activities.
May 26 Weather Records for Sunnyvale
- •The all-time record high for May 26th in Sunnyvale, CA is 97°F, set in 2020.
- •The coldest May 26th on record dropped to 46°F in 1980.
- •Temperatures have reached 90°F or higher on May 26th in 1 of the last 55 years.
- •Last year (1971), May 26th was 9°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest May 26 ever in Sunnyvale?
The warmest May 26 in Sunnyvale, CA reached 97°F in 2020. That is 25°F above the long-term average high of 72°F.
What was the coldest May 26 ever in Sunnyvale?
The coldest May 26 in Sunnyvale, CA dropped to 46°F in 1980. That is 8°F below the long-term average low of 54°F.
What is the average temperature on May 26 in Sunnyvale?
On May 26, Sunnyvale averages a high of 72°F and a low of 54°F based on 55 years of NOAA weather observations from MOFFETT FED AIRFIELD.
How many years of weather data are available for May 26 in Sunnyvale?
We have 55 years of weather records for May 26 in Sunnyvale, 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 Sunnyvale
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 68°F | 54°F | -- | -- |
| 2024 | 76°F | 49°F | 0" | -- |
| 2023 | 71°F | 55°F | 0" | -- |
| 2022 | 79°F | 56°F | 0" | -- |
| 2021 | 75°F | 51°F | 0" | -- |
| 2020 | 97°F | 63°F | 0" | -- |
| 2019 | 63°F | 54°F | 0.23" | -- |
| 2018 | 67°F | 55°F | 0" | -- |
| 2017 | 70°F | 53°F | 0" | -- |
| 2016 | 74°F | 53°F | 0" | -- |
| 2015 | 68°F | 55°F | 0" | -- |
| 2014 | 82°F | 55°F | 0" | -- |
| 2013 | 74°F | 56°F | 0" | -- |
| 2012 | 62°F | 50°F | 0" | -- |
| 2011 | 67°F | 49°F | 0" | -- |
| 2010 | 68°F | 51°F | 0" | -- |
| 2009 | 75°F | 51°F | 0" | -- |
| 2008 | 67°F | 49°F | 0" | -- |
| 2007 | 69°F | 55°F | 0" | -- |
| 2006 | 68°F | 53°F | -- | -- |
| 2005 | 70°F | 58°F | 0" | -- |
| 2004 | 74°F | 56°F | 0" | -- |
| 2003 | 72°F | 56°F | 0" | -- |
| 2002 | 69°F | 53°F | 0" | -- |
| 2001 | 65°F | 56°F | 0" | -- |
| 2000 | 72°F | 55°F | 0" | -- |
| 1999 | 69°F | 53°F | 0" | -- |
| 1998 | 64°F | 47°F | 0.13" | -- |
| 1997 | 78°F | 55°F | 0" | -- |
| 1996 | 87°F | 55°F | 0" | -- |
| 1995 | 70°F | 56°F | 0" | -- |
| 1994 | 65°F | 53°F | 0" | -- |
| 1993 | 74°F | 61°F | 0" | -- |
| 1992 | 76°F | 59°F | 0" | -- |
| 1991 | 68°F | 49°F | 0" | -- |
| 1990 | 76°F | 54°F | 0.15" | -- |
| 1989 | 72°F | 52°F | 0" | -- |
| 1988 | 70°F | 52°F | 0" | -- |
| 1987 | 63°F | 55°F | 0" | -- |
| 1986 | 75°F | 59°F | 0" | -- |
| 1985 | 67°F | 56°F | 0" | -- |
| 1984 | 81°F | 59°F | 0" | -- |
| 1983 | 69°F | 56°F | 0" | -- |
| 1982 | 70°F | 57°F | 0" | -- |
| 1981 | 75°F | 57°F | 0" | -- |
| 1980 | 70°F | 46°F | 0" | -- |
| 1979 | 78°F | 58°F | 0" | -- |
| 1978 | 72°F | 51°F | 0" | -- |
| 1977 | 72°F | 52°F | 0" | -- |
| 1976 | 86°F | 55°F | 0" | -- |
| 1975 | 75°F | 58°F | 0" | -- |
| 1974 | 89°F | 59°F | 0" | -- |
| 1973 | 68°F | 49°F | 0" | -- |
| 1972 | 64°F | 53°F | 0" | -- |
| 1971 | 63°F | 51°F | 0" | -- |
Based on 55 years of data from NOAA station: MOFFETT FED AIRFIELD
Monthly Climate Averages
Historical temperature and precipitation averages for Sunnyvale, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.