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Weekend Weather: It's The Middle Of January. But For A Couple Days, It Feels Like Spring

It's hard to decide what the most unusual thing about this weekend's weather is, but Saturday's warmth is definitely off-putting for mid-January. A close second is the dew point, a measure of humidity which could also be in record territory for this month.

In other words, it may be feel slightly muggy late Saturday and early Sunday.

We tend to focus on record highs and record lows, but we don't often focus on the warmest overnight temperature. In order to set a new record for the warmest overnight low, the temperature has to remain above whatever the previous record was between midnight and midnight.

The temperature tonight at midnight leading into Saturday will determine what the low temperature is for the 24 hours. This is because readings will actually start going up toward Saturday morning and then remain incredibly warm for January tomorrow night. I expect that once we break 50 degrees Saturday, we won't go below 50 until sometime on Sunday afternoon or evening.

Sunday features an enormous contrast in temperature between Maine and Massachusetts. (Courtesy NOAA)
Sunday features an enormous contrast in temperature between Maine and Massachusetts. (Courtesy NOAA)

The record high for Saturday is 62, set in 1975, and it's possible we get that warm --but it's also possible that the core of the warm air never makes it into the region before the end of the day, leaving that record intact. As I mentioned, Saturday night will be very warm, leading us toward Sunday, when temperatures will once again get to or above 60 degrees before falling back late in the day. A record is also possible Sunday.

You can follow my updates here and on Twitter @growingwisdom.

Friday: Cloudy, late rain showers. Highs 43-48.

Friday night: Mild and breezy with a shower. Lows in the 40s.

Saturday: Mild with near-record warmth and a few showers. Gusty breeze. Highs 57-63. Cooler Cape/Islands.

Sunday: Mild early. Highs 60-65. Some showers. Maybe a thunderstorm. Turning colder northeast to southwest late in the day.

Monday: Dry and seasonably cold. Highs around 45.

Tuesday: May shower late in the day. Highs 40-45.

David Epstein Twitter Meteorologist
David Epstein is WBUR's meteorologist.


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