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Seattle, WA Weather on May 27
Seattle hits 88°F on May 27, 2005 as spring turns summer-like
May 27 in Seattle has seen quite a range over 55 years of records, with the mercury reaching an exceptional 88°F in 2005, well above the average high of 67°F. That record stands 21 degrees above the typical temperature for this date, showcasing how dramatically spring weather can vary in the Pacific Northwest. Meanwhile, the coldest reading of 42°F in 1977 reminds us that late May mornings can still bring frost-prone conditions, with a typical low hovering near 51°F.
What to Expect on May 27
Planning for May 27th in Seattle, WA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Frequently Asked Questions
What was the warmest May 27 ever in Seattle?
The warmest May 27 in Seattle, WA reached 88°F in 2005. That is 21°F above the long-term average high of 67°F.
What was the coldest May 27 ever in Seattle?
The coldest May 27 in Seattle, WA dropped to 42°F in 1977. That is 9°F below the long-term average low of 51°F.
What is the average temperature on May 27 in Seattle?
On May 27, Seattle averages a high of 67°F and a low of 51°F based on 55 years of NOAA weather observations from SEATTLE URBAN SITE.
How many years of weather data are available for May 27 in Seattle?
We have 55 years of weather records for May 27 in Seattle, WA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
May 27 Weather History in Seattle
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 73°F | 51°F | 0" | -- |
| 2024 | 68°F | 53°F | 0" | -- |
| 2023 | 70°F | 53°F | 0" | -- |
| 2022 | 62°F | 50°F | 0" | -- |
| 2021 | 60°F | 51°F | 0.46" | -- |
| 2020 | 73°F | 50°F | 0" | -- |
| 2019 | 78°F | 54°F | 0" | -- |
| 2018 | 75°F | 51°F | 0" | -- |
| 2017 | 84°F | 55°F | 0" | -- |
| 2016 | 64°F | 50°F | 0.05" | -- |
| 2015 | 78°F | 57°F | 0" | -- |
| 2014 | 68°F | 54°F | 0" | -- |
| 2013 | 63°F | 53°F | 0.51" | -- |
| 2012 | 64°F | 53°F | 0" | -- |
| 2011 | 60°F | 48°F | 0.2" | -- |
| 2010 | 60°F | 49°F | 0.15" | -- |
| 2009 | 67°F | 50°F | 0" | -- |
| 2008 | 69°F | 54°F | 0" | -- |
| 2007 | 57°F | 49°F | 0.15" | -- |
| 2006 | 61°F | 50°F | 0.91" | -- |
| 2005 | 88°F | 59°F | 0" | -- |
| 2004 | 61°F | 51°F | 1.63" | -- |
| 2003 | 78°F | 51°F | 0" | -- |
| 2002 | 69°F | 55°F | 0.18" | -- |
| 2001 | 70°F | 52°F | 0" | -- |
| 2000 | 66°F | 53°F | 0.43" | -- |
| 1999 | 72°F | 52°F | 0" | -- |
| 1998 | 54°F | 47°F | 1.91" | -- |
| 1997 | 72°F | 54°F | 0.3" | -- |
| 1996 | 63°F | 52°F | 0" | -- |
| 1995 | 76°F | 53°F | 0" | -- |
| 1994 | 64°F | 48°F | 0.03" | -- |
| 1993 | 70°F | 55°F | 0.18" | -- |
| 1992 | 68°F | 52°F | 0" | -- |
| 1991 | 63°F | 50°F | 0.03" | -- |
| 1990 | 64°F | 54°F | 0.2" | -- |
| 1989 | 57°F | 47°F | 0.94" | -- |
| 1988 | 65°F | 54°F | 0.76" | -- |
| 1987 | 62°F | 53°F | 0" | -- |
| 1986 | 70°F | 56°F | 0" | -- |
| 1985 | 64°F | 53°F | 0" | -- |
| 1984 | 68°F | 51°F | 0" | -- |
| 1983 | 77°F | 51°F | 0" | -- |
| 1982 | 66°F | 49°F | 0.03" | -- |
| 1981 | 69°F | 50°F | 0" | -- |
| 1980 | 56°F | 51°F | 0.41" | -- |
| 1979 | 60°F | 47°F | 0.91" | -- |
| 1978 | 65°F | 51°F | 0.08" | -- |
| 1977 | 57°F | 42°F | 0.13" | -- |
| 1976 | 62°F | 46°F | 0.48" | -- |
| 1975 | 67°F | 51°F | 0.03" | -- |
| 1974 | 63°F | 48°F | 0" | -- |
| 1973 | 61°F | 44°F | 0" | -- |
| 1972 | 86°F | 57°F | 0" | -- |
| 1971 | 71°F | 52°F | 0" | -- |
Based on 55 years of data from NOAA station: SEATTLE URBAN SITE
How Has May 27 Changed?
Temperatures on this date have remained relatively stable over the past several decades.
Monthly Climate Averages
Historical temperature and precipitation averages for Seattle, WA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.