Will my Figure be Safe From the Heat While I’m Not Home?

I ordered Maketoys Despotron off of eBay, and he has metal, plastic, and rubber parts. He’s shipped in the figures actual box and then in a shipping box. The temperature tomorrow appears to be 70 degrees F in the morning and 89 degrees F when it will most likely be delivered. Also the humidity will be 64% I won’t be home for a while so it’ll most likely be out on my porch for 4-6 hours with minor shade. Will this environment cause any damage? I’m just concerned because I spent a ton of money on this thing. Thanks for any help any kind souls can provide.