OK, so I was just watching the weather channel and this is what they have to say about the week ahead...
Monday high=28 humidex=32
Tuesday high=25 no humidex
Wednesday high=28 humidex=37
Thursday high=31 humidex=47
Forty-seven degrees when you account for the humidity ... that's just way, way too hot. I'll definitely be visiting the pool or the mall or McDonalds.

You can pretty much bet on it being 10 degrees lower than what they anticipate. That seems to be the norm with weather people.