AS long as the fruits have set they should increase in size and ripen up.

So temerature doesn't affect whether they'll ripen but when, as in how fast.

The higher the temps the faster the fruits will ripen.

But high temps will prevent the formation of new fruits. Please see the article on blossom drop after you click on the FAQ link at the top of this page.

I Googled to see if I could find some typical temps re ripening,. but all the links I found were for commercial farmers re gassing with ethylene, long term storage and the like.

There's not one of us who hasn't had that experience of thinking the fruits won't ripen, but they should. Just don't watch them so closely. LOL

Carolyn

...and I have to agree with another poster on this site...the minute the tomatoes are ready to ripen, the weather turns!! I have all these Sweet 100s, ready to rumble, and the weather has been cool for a week! Aggravating! plus, tell me this: will more than two EVER ripen at a time?! I never have enough for a salad! We have to take turns eating them off the plant each day and then we may get two or three! I have six plants...come on!!!

Mary :)

Mary, Surely for your Sweet 100s you must have gotten more than two at one picking. The practice I now employ to pick all cherry tomatoes is to fasten a gallon jug(top cut off) onto a belt so I can pick with both hands-- At last evening's picking I filled my jug from just two plants repeatedly. My Sweet 100s are producing over a 10 foot section of the plants on a stringline support system. There are ripe tomatoes from ground level where I need to bend up to where I need a ladder to reach them. I can't lower the plants else I'd be laying fruits onto the ground.

So if you are having ripening issues you need to check for thieves. Someone might be visiting tour tomato plants prior to your arrival.