1. It's cold today.
2. It's chilly today.
3. It's freaking cold today!
4. The wind really chills me to the bone. / The wind is bone-chilling.
5. I'm frozen / stiff.
6. The wind just cuts right through you.
7. It's freezing!
8. I can't stop shivering from the cold.
9. This cold front is taking its toll!
10. Now it feels more like winter, doesn't it?