The week will start off warm and somewhat humid, but cooler air is on the way.
A cold front will approach the region today, with warm and humid conditions likely ahead of it. We’ll also have plenty of clouds, though there will be some sunny breaks. The front won’t have much moisture with it, but there may be enough for a few showers along the front during the late afternoon and evening hours. Once the front moves through, high pressure builds in for Tuesday through Thursday with cooler temperatures (they’ll be below normal for late August), and lower humidity, so you can open all the windows and let some fresh air back in once again.
Things turn unsettled for the end of the week. Low pressure moves into southeastern Canada, dragging a couple of frontal systems across the region. This will result in more clouds, higher humidity, and some episodes of showers, possibly some thunderstorms, between late Thursday night into Friday. A secondary system moves in for Saturday, but whether it crosses the region or stays offshore is still up for debate among the models, which has an impact not only on the weather we’ll expect, but the temperatures as well. Temperatures will remain on the cool side for late-August, thanks to the cloudcover and rainfall. By Sunday, high pressure builds back in with dry and cool weather returning.
Monday: Intervals of clouds and sun, chance for a late-day shower. High 80-87.
Monday night: Mostly cloudy with a shower possible during the evening, skies start to clear late at night. Low 58-65.
Tuesday: Becoming mostly sunny and less humid. High 71-78.
Tuesday night: Clear skies. Low 53-60.
Wednesday: Sunshine and some afternoon clouds. High 71-78.
Thursday: Morning sun fades behind increasing clouds, showers possible at night. High 73-80.
Friday: Mostly cloudy with showers likely. High 70-77.
Saturday: Partly to mostly cloudy with a chance for showers. High 71-78.
Sunday: Partly sunny. High 68-75.
Storm HQ 