DAYS 1-5 (NOVEMBER 21-25)
A broad trough of low pressure moves eastward across the Northeast today into the weekend with 2 distinctive surface lows impacting our weather. Surface low number 1 matures / occludes over our region later today into Friday with the much-talked-about ribbon of rain arriving today, giving a good 1/2 inch to 1 inch (over 1 inch in some areas) before pushing to the north and allowing a slot of drier air to move up from the south early Friday. Low number 2 develops offshore south of our area and does a cyclonic loop to our east under upper level low pressure Friday night and early Saturday. This system will throw another shield of rain into eastern areas late Friday to very early Saturday. If it gets back far enough to the west some snow can be mixed in over higher elevations of north central MA and southwestern NH. This can also be the case with some “in-between” shower activity in the lull between the two low pressure impacts. Going through Saturday we’ll end up on the back side of departing but deepening low pressure so while there’s a drying trend it’ll be breezy to windy. Generally fair/breezy/cool weather is then ours for Sunday between low pressure in Atlantic Canada and high pressure in the Great Lakes. The high slides eastward and delivers dry but more tranquil weather to us Monday, but clouds will already be advancing in ahead of an approaching low pressure area in the Great Lakes.
TODAY: Overcast. Areas of fog and drizzle and low level smoke at first. Rain arrives southwest to northeast during the morning but tapers off toward evening south of I-90. Highs 45-52. Wind E 5-15 MPH, higher gusts near the coast.
TONIGHT: Patchy rain / drizzle diminishes as clouds break at times. Areas of fog. Temperatures steady 45-52. Wind SE to S 5-15 MPH.
FRIDAY: Mostly cloudy. Scattered rain showers, may be mixed with wet snow in higher elevations of southwestern NH and north central MA. Temperatures fall slightly from 45-52 to 38-45. Wind variable 5-15 MPH.
FRIDAY NIGHT / SATURDAY: Variably cloudy. A few rain/mix/snow showers. An additional period of steadier rain possible Friday evening to early Saturday morning. Lows 35-42. Highs 47-54. Wind N to NW 10-20 MPH.
SATURDAY NIGHT: Partly cloudy. Lows 31-38. Wind NW 5-15 MPH, higher gusts.
SUNDAY: Partly sunny. Highs 45-52. Wind NW 10-20 MPH, higher gusts.
SUNDAY NIGHT: Partly cloudy. Lows 28-34. Wind NW 5-15 MPH, higher gusts.
MONDAY: Sun then increasing high clouds. Highs 44-51. Wind N up to 10 MPH becoming variable.
DAYS 6-10 (NOVEMBER 26-30)
Quick-moving disturbance exits November 26 – maybe a rain/snow shower then dry, breezy, cool. Dry November 27. Watching for low pressure to bring unsettled weather Thanksgiving Day (November 28) and the day after, before fair weather returns at the end of the period.
DAYS 11-15 (DECEMBER 1-5)
Watching for a passing low pressure area around December 1-2. Dry weather returns after that before the next disturbance brings a rain or snow shower at the end of the period. Temperatures variable – averaging close to normal.