Hot days are becoming more common in the Seattle area, according to data from the National Weather Service (NWS).
The NWS tracks the number of days that hit 90°F or above in ten-year periods. Between 2016-2025, there have been 67 of these days so far. Between 2006-2015, there were 49 of them. Between 1996-2005, there were 16.
This period has seen the highest number of days above 90°F out of all periods provided by the NWS (going back to 1946)…