DAYS 1-5 (SEPTEMBER 16-20)<\/p>\n\n\n\n
Lee is now a post-tropical cyclone as of 5 a.m. with maximum sustained winds around the center still at category 1 hurricane level (80 MPH). Lee will continue to weaken but remains a powerful storm as it approaches Nova Scotia on a northward track where landfall will take place near or just west of Argyle today. Thereafter, Lee curves back to the northeast and accelerates through Atlantic Canada. For us, we have a windy and in some areas wet start to the day. The steadiest rain band worked from the coastal plain in to the I-495 belt overnight, with the heaviest rainfall over Cape Cod. This rain band, the only one to impact the area, is already in the process of starting to decay as Lee now moves away, and dry air continues to erode the rain band. With surface dew points ranging from the middle 40s in the western portion of the WHW forecast area to the middle 50s along the coast, you can see that Lee’s rain is indeed fighting rather dry air in place. Surface temperatures are mostly in the upper 50s to lower 60s (a few middle 60s over Cape Cod area) as of early morning, and combined with a gusty north to northwest wind, it doesn’t feel “tropical” at all, but rather autumnal – like it would during the passage of a coastal or offshore storm during the autumn (yes it’s still technically summer, but close enough). Anyway, the worst of our weather is now, as I write and post this update. From here on, improvement, while starting slowly, will happen steadily as we move through the day and this evening, with first the rain band eroding and departing northeastward, and then the clouds thinning and breaking basically from southwest to northeast, and most areas will see sun later. That colorful sunset that I prognosticated can take place if there are still enough clouds in the sky for the setting sun to shine onto the bottom of, much like the region saw last evening. I do think it’s a strong possibility. Later tonight the clouds vanish, and we are set up for a very nice day on Sunday, the final weekend day of astronomical summer, with plenty of sunshine, some decorative fair weather clouds, warm air but low humidity, and a pleasant breeze. But as has been the theme for so much of the summer, that doesn’t last long, as the next trough swings in from the west Monday with another showery day. With ground still somewhat saturated and some areas still recovering from recent severe flash flooding, it should be noted that the rainfall from Monday’s system can be enough to result in some additional flooding, but I expect that it would be far less severe than the event that preceded it by 1 week. High pressure builds toward the region Tuesday and Wednesday with fair, dry weather returning.<\/p>\n\n\n\n
TODAY: Cloudy through midday including rain likely Cape Cod and a chance of rain eastern MA & NH Seacoast, then increasing sun especially western areas during the afternoon and maybe into eastern areas later on. Highs 66-73. Wind N to NW 10-20 MPH with gusts 25 MPH or higher inland, 15-25 MPH with gusts 35 MPH or higher coastal plain, and 25-35 MPH with gusts 45 MPH or higher immediate coast, strongest gusts Cape Cod and Nantucket as well as tip of Cape Ann, gradually diminishing in all areas afternoon.<\/p>\n\n\n\n
TONIGHT: Clearing. Lows 51-58. Wind NW 5-15 MPH.<\/p>\n\n\n\n
SUNDAY: Mostly sunny. Highs 68-75. Wind NW 5-15 MPH.<\/p>\n\n\n\n
SUNDAY NIGHT: Increasing clouds. Lows 50-57. Wind W up to 10 MPH.<\/p>\n\n\n\n
MONDAY: Mostly cloudy. Showers likely. Highs 67-74. Wind variable becoming SE 5-15 MPH.<\/p>\n\n\n\n
MONDAY NIGHT: Cloudy with showers likely and a chance of thunderstorms in the evening. Breaking clouds overnight with patchy fog. Lows 52-59. Wind SE to SW 5-15 MPH with higher gusts, shifting to N.<\/p>\n\n\n\n
TUESDAY: Sun\/cloud mix. Highs 67-74. Wind NW 5-15 MPH.<\/p>\n\n\n\n
TUESDAY NIGHT: Mostly clear. Lows 50-57. Wind NW up to 10 MPH.<\/p>\n\n\n\n
WEDNESDAY: Mostly sunny. Highs 68-75. Wind NW 5-15 MPH.<\/p>\n\n\n\n
DAYS 6-10 (SEPTEMBER 21-25)<\/p>\n\n\n\n
High pressure will continue to dominate the weather with fair weather through the day of the autumnal equinox on September 23. The end of the period may turn unsettled with the arrival of moisture from the south bringing clouds and a rain chance.<\/p>\n\n\n\n
DAYS 11-15 (SEPTEMBER 26-30)<\/p>\n\n\n\n
Overall a dry pattern with high pressure in control, but a disturbance from the west may bring the next shower chance before the end of this period. Temperatures near to above normal.<\/p>\n","protected":false},"excerpt":{"rendered":"
DAYS 1-5 (SEPTEMBER 16-20) Lee is now a post-tropical cyclone as of 5 a.m. with maximum sustained winds around the center still at category 1 hurricane level (80 MPH). Lee will continue to weaken but remains a powerful storm as it approaches Nova Scotia on a northward track where landfall will take place near or … Continue reading Saturday September 16 2023 Forecast (8:16AM)<\/span>