This wind out of the northwest will pull down the colder air out of Canada (called cold-air advection) and will bring temperatures in the 50's during the day and 30's at night for the Philadelphia Metro area. As you can see from the MOS data below, low temperatures will fall into the lower-40's Friday night, but the truly winter-like air will be in store for us on Saturday and Sunday night. Clear skies and calm winds are the perfect combination for cooling, and we'll probably only see one of those Saturday night, with mainly clear skies and still a little breezy, leading to lows in the mid- to upper-30's. Breeziness calms a bit more for Sunday night, which will allow for our lows to approach freezing, so watch early Monday morning for the possibility of some frost. The typically colder areas, especially to our north and northwest will even fall into the 20's during this time!
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| GFS MOS Data for Mt. Holly, NJ showing lows in the 30's for this weekend! |
During the daytime, we'll see mostly sunny skies Friday through Monday, with highs decreasing throughout the weekend. Highs Friday will rise back into the 60's but go downhill from there. Highs only reach the mid-50's Saturday, with breezy conditions, while Sunday and Monday see highs only reaching into the lower-50's and around 50° throughout the area. Though we'll see dry conditions likely through Monday, higher elevations and areas of Northwest New Jersey through Central Pennsylvania will have the threat of some snow/rain showers on Sunday, with temperatures allowing for that threat. This can be seen in the image of the GFS model run below, displaying rain/snow showers across parts of the Northeast on Sunday. If you hate the cold, don't worry, because temperatures look to rebound next week.
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| This afternoon's GFS model run showing rain/snow showers Sunday for some areas Image courtesy of TropicalTidbits.com |
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