Sunshine and warm temperatures will persist through Monday. Tuesday will be humid as well, with increasing clouds with the chance of showers and thunderstorms. through out the day. There are two cold fronts one in the morning, one in the afternoon. The first one will be weak, the second one will be stronger.. which is the leading edge of a trough bringing cooler temperatures in the upper 70s to low 80s to end out the forecast period. This Cold front will stall and allow an area of low pressure to form along it. The location of this low pressure will determine if we stay dry or if we see a period of showers/rain/thunderstorms to end out the week.
Forecast.
Today. Mostly sunny highs in the mid to upper 80s
Tonight. clear, lows in the 60s
Monday. sunny with increasing humidity. Highs in the mid 80s to low 90s
Monday night. Increasing clouds, lows in the 60s, chance of showers and thunderstorms late.
Tuesday. mostly to partly cloudy, Highs in the mid to upper 80s. Chance of showers and thunderstorms, especially in the afternoon.
Tuesday night. Cooler and less humid, Clearing skies with lows in the upper 50s to low 60s
Wednesday and Thursday. Mostly to partly cloudy , Highs in the upper 70s to low 80s, lows in the mid to upper 50s
Friday. partly to mostly cloudy chance of showers late. Highs in the mid 70s to low 80s.
friday night. cloudy chance of showers. lows in the mid 50s to low 60s
Saturday partly to mostly cloudy . highs in the mid to upper 70s
We could see a warm up second half of next weekend with increased humidity but, the Thursday through Saturday time frame is not a little up in the air as of right now. It all depends on location of these systems. I think at the moment we stay mainly dry the second half of the forecast period.
Merrimack valley weather 