High pressure that has given us the dry weather of late is now retreating north and east with the ridge positioned through southeast Canada this morning. The pesky low off the North Carolina coast continues to diminish, however a trough extending northward has helped to bring cloudiness into the local area, with a few showers just off the Cape Cod area and south of Long Island.
We started off with a cloudy and in some spots foggy morning as we headed out to our destinations this morning. Some locations through the Merrimack Valley and inland valleys saw visibilities reduced to as little as a quarter mile during the morning commute. Scattered areas of mist were also reported.
There is not much hope for sunshine Wednesday. A moist northeast flow continues off the Atlantic pulling in some low level moisture while mid level clouds continue to spill in overhead from the trough south of us. Expect a mostly cloudy day, high temperatures in the low to mid 60s, perhaps only around 60 on the shore, with a light northeast wind. There is a slight chance of a sprinkle or light shower, especially right along the coast.
Skies remain mainly cloudy tonight as a cold front approaches from the west. Although a few showers are expected across western portions of the state it appears the front will be drying out as it moves across our area and only clouds are expected. Low temperatures generally in the low 50s, mid 50s in the immediate Boston area. Near calm winds.
Low pressure, centered over Lake Superior this morning, gradually moves northeastward and will be in Quebec later Thursday. It will swing the cold front through here very early Thursday. Morning clouds should give way to increasing afternoon sunshine as the westerly flow behind the front dries out the atmosphere. Highs will nicely rebound into the upper 60s and low 70s as the air mass behind the front does not bring in cooler air and with the afternoon sun we can realize the low 70s in some locations. That’s about 10 degrees over normal for the middle of October. Southwest to southeast winds under 10 mph.
Things get a bit dicey later Thursday night and early Friday. Models are showing a weak area of low pressure forming along the cold front to our south. As of this morning that low may ride up the coast and be positioned close to eastern Massachusetts early on Friday, then shift east through the afternoon. With this in mind we should see clouds returning Thursday night, with a round of showers moving across the area into early Friday. Skies become partly cloudy by Friday afternoon. Lows Thursday night in the low 50s, highs Friday in the low to mid 60s. It will become quite breezy during Friday afternoon with a freshening west wind that brings gusts to 25 mph.
Friday night and Saturday will remain generally partly cloudy and dry. Lows in the upper 30s inland valleys to mid 40s on the coast. Highs Saturday only in the low 60s.
Another approaching cold front will bring an increase in clouds Saturday night into parts of Sunday. Similar temperatures remain in place.