By Geoff Bansen

PHILADELPHIA (CBS) — With a sluggish cold front finally off-shore, the Delaware Valley can expect mainly dry conditions to end the week and into the weekend.

High pressure is steadily moving in our direction. However, there will be enough atmospheric instability that daytime heating could set off a stray shower for Friday. Temperatures will been warm, but more comfortable due to lower humidity.

Saturday is the best day of the weekend with mostly sunny skies, perhaps an isolated sprinkle up to the far north in the Poconos.

Sunday will start off dry with some sun, but there will be the threat of some late day storms to the west as the next frontal boundary approaches.

After much of the area was drenched by slow moving heavy rain yesterday, conditions will be pleasant at the shore this weekend. Highs will be in the upper 70s with a high UV index, and cooler than usual water temperatures.

Looking ahead to next week, Monday and Tuesday will be stormy, with cooler weather building in for Wednesday and Thursday.

Today In Weather History:
1825 — An already very hot summer, Boston’s high of 102 degrees capped a 13-day heat wave; July’s mean temperature was 77.6 degrees.
1975 — Evening thunderstorms brought 3.01 inches of rain to Richmond, VA. This was the second day of nine straight days in which measurable rain fell. Nearly 8 inches of rain fell in this period. July’s rainfall totaled 12.29 inches.

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