Is there a temperature that would not allow commercial jets to be able to take off?

– Curious flyer, Montana

Yes, there are maximum temperature listed in the performance charts. If the temperature exceeds the flight cannot depart. 

In some cases it may be possible for the operator to contact the manufacturer and obtain the needed performance information. I had this happen one hot summer afternoon in Phoenix. The maximum temperature was 110F and while we were on the ground it exceeded that. Our dispatch office obtained performance information from Boeing for our specific flight and that was sent to me allowing us to depart after a slight delay. 

At very high temperatures, the amount of payload an aircraft can carry can be limited. Offloading cargo and/or passengers is sometimes necessary as the hot air is not as dense reducing available lift.  

while staying away from the storm. Do many flights actually

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