Reaching record-breaking temperatures is less-likely, but Connecticut did hit 90 degrees for the first time this year.
The average high temperature for this time of the year at Windsor Locks is 73 degrees. NBC Connecticut First Alert meteorologists were forecasting high temperatures in the mid to upper 90s. High temperatures as of 4 p.m. are around 88.
Get Connecticut local news, weather forecasts and entertainment stories to your inbox. Sign up for NBC Connecticut newsletters.
The record high temperature for this date is 93 set back in 1996. The all-time record high temperature for May is 99 degrees.
Temperatures will be cooler at the shoreline thanks to the cooling influence from Long Island Sound. Water temperatures are in the refreshing 50s.
A cold front late Sunday will bring relief from the heat. Thunderstorms will accompany the front and some of the storms could be strong to severe Sunday afternoon and evening.