![New Survey Reveals What Temperature Is Too Hot To Enjoy in the Lower 48 States | The Weather Channel New Survey Reveals What Temperature Is Too Hot To Enjoy in the Lower 48 States | The Weather Channel](https://s.w-x.co/how-hot.jpg)
New Survey Reveals What Temperature Is Too Hot To Enjoy in the Lower 48 States | The Weather Channel
![NWS Portland on Twitter: "Portland International Airport is at 103 degrees Fahrenheit. This breaks the high temperature record for today & the record high temperature for the month of June. There is NWS Portland on Twitter: "Portland International Airport is at 103 degrees Fahrenheit. This breaks the high temperature record for today & the record high temperature for the month of June. There is](https://pbs.twimg.com/media/E41_WRkUcAIBazu.jpg:large)
NWS Portland on Twitter: "Portland International Airport is at 103 degrees Fahrenheit. This breaks the high temperature record for today & the record high temperature for the month of June. There is
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![AVTECH Software on Twitter: "At 80 degrees Fahrenheit (26 degrees Celsius) fatigue is possible with prolonged exposure and/or physical activity. #HeatIndex #WorkersHealth #EmployeeSafety https://t.co/JKWDwphswF" / Twitter AVTECH Software on Twitter: "At 80 degrees Fahrenheit (26 degrees Celsius) fatigue is possible with prolonged exposure and/or physical activity. #HeatIndex #WorkersHealth #EmployeeSafety https://t.co/JKWDwphswF" / Twitter](https://pbs.twimg.com/media/FLBW5hcWQAAAEpC.jpg)