Low pressure in the eastern Great Lakes on Saturday morning will slowly move across New England today and early Sunday, then cross into the Canadian Maritimes Sunday night. A stalled frontal boundary will set up across central or northern New England, with our area being on the warm and humid side of the front. Another low pressure system will drag a cold front through eastern Massachusetts on Tuesday.
The final weekend of the summer vacation season is here. We have a threat for showers and thunderstorms each of the next four days but there are going to be periods of brighter skies as well. Unfortunately the timing of showers and storms is very tricky. Most likely the greatest threat for shower activity is this morning, again in the afternoon and evening hours today and Sunday, then with the cold front approaching on Labor Day we could see more numerous shower and storm activity, which will probably last into Tuesday as well.
On the flip side we can expect periods when the skies become brighter with a few breaks of sunshine possible. The best chance for this is during the midday to mid afternoon hours Saturday or Sunday, but if it does happen don’t expect much sun. The clouds definitely win out this weekend. It will also be quite humid through the weekend as we are in a moist south to southwesterly air flow until the cold front arrives. On the backside of the cold front it becomes drier and less humid by late in the work week.
It will not be the best of beach weather for sure. If you do go be prepared to dodge rain and take cover of an approaching thunderstorm. Expect mainly cloudy skies, a couple breaks of sun possible, highs in the upper 70s and southwest winds of 5 to 15 mph. Water temperatures in the mid 60s and high tides mid morning.
Four Day Outlook:
Saturday and Saturday night: Mostly cloudy, showers and a thunderstorm this morning, followed by additional showers and storms later in the day and this evening. Areas of patchy fog at night. Warm and humid, with highs in the low 80s, overnight lows in the upper 60s to 70 degrees. South to southwest winds 5 to 15 mph.
Sunday and Sunday night: Mostly cloudy, chance of showers and thunderstorms. Areas of patchy fog late night and early morning. Warm and Humid. Highs in the low 80s. Lows in the upper 60s to 70 degrees. South to southwest winds 5 to 15 mph.
Labor Day and Monday night: Numerous showers and thunderstorms. Patchy fog in the morning. Continued humid. Highs near 80. Lows in the mid to upper 60s.
Tuesday: Considerable cloudiness, chance of showers and thunderstorms. Highs about 80.
Tuesday night: Partly to mostly cloudy. Lows near 60 inland to mid 60s on the shore.