1.  It's cold today.

　　今天好冷。

　　2.  It's chilly today.

　　今天冷风飕飕。

　　3.  It's freaking cold today!

　　今天冷死啦！

　　4.  The wind really chills me to the bone. / The wind is bone-chilling.

　　这寒风真是刺骨。

　　5.  I'm frozen / stiff.

　　我简直冻僵了。

　　6.  The wind just cuts right through you.

　　风简直是直接穿过身体。

　　7.  It's freezing!

　　好冷！

　　8.  I can't stop shivering from the cold.

　　我冷得不停打哆嗦。

　　9.  This cold front is taking its toll!

　　寒流正在发威呢！

　　10.  Now it feels more like winter, doesn't it?

　　现在感觉比较像冬天了吧？