Chat Report Accident Traffic I-78 Weather Conditions and Forecasts 2025-04-06 Roadnow Current | Today | Tomorrow | +2 Days | +3 Days | +4 Days | +5 Days I-78 Tuesday 2025-04-08 weather conditions detailI-78 New Jersey: Mostly Sunny, 56°FdetailI-78 Pennsylvania: Mostly Sunny and Breezy, 55°F I-78 7 day weather forecast I-78 weather conditions Pennsylvania I-78 weather conditions in PennsylvaniaI-78 weather conditions near Harrisburg, PennsylvaniaI-78 weather conditions near Allentown, PennsylvaniaI-78 weather conditions near Bethlehem, PennsylvaniaI-78 weather conditions near Easton, Pennsylvania I-78 weather conditions New Jersey I-78 weather conditions in New JerseyI-78 weather conditions near Phillipsburg, New JerseyI-78 weather conditions near Newark, New JerseyI-78 weather conditions near Jersey City, New Jersey