Another brisk, fall day in MN: 80 degrees and sunny

What the hay; are we in South Florida or what. My cub scout pack has our annual hayride/picnic today at a local farm/orchard. I'm glad it's not 40 and raining, like two years ago; but I think it would be a little more traditional to have a bit of briskness to the air and maybe be a little overcast. It just doesn't seem right to go out on a hayride wearing swimsuits and sunblock.