Partly sunny and very cold
Mainly clear and frigid; extreme cold can be dangerous for outdoor activities late
Rises at 6:40 AM with 11:07 of sunlight, then sets at 5:47 PM
Rises at 12:30 PM with 14:51 of moolight, then sets at 3:21 AM
Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.