Patchy fog, which has been locally dense, has developed across portions of eastern Pennsylvania and northern New Jersey overnight. Patchy dense fog may linger for another few hours, potentially affecting the start of the morning commute period. Motorists are reminded to slow down and increase following distance when encountering fog.

The forecast for the week:

Today: Patchy fog before 8 a.m. Otherwise, mostly sunny, with a high near 82. West wind 5 to 10 mph.

Monday Night: Partly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm.

Tuesday: A slight chance of showers before 2 p.m. Mostly cloudy, then gradually becoming sunny, with a high near 82. Northeast wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

Tuesday Night: A slight chance of showers after 2 a.m. Mostly clear, with a low around 62. Northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

Wednesday: A slight chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

Wednesday Night: A chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 40%.

Thursday: A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.

Thursday Night: Showers likely and possibly a thunderstorm before 2 a.m., then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.