I-78 weather conditions near Allentown, Pennsylvania

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Shallow Fog 71°F 2025-06-18T23:51:00-04:00
• Overnight 2025-06-19, Slight Chance T-storms. A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.
• Juneteenth 2025-06-19, Sunny then T-storms. A chance of showers and thunderstorms before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 90. Southwest wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
• Thursday Night 2025-06-19, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 64. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
• Friday 2025-06-20, Sunny. Sunny, with a high near 83. Northwest wind 5 to 10 mph.
• Friday Night 2025-06-20, Mostly Clear. Mostly clear, with a low around 63. West wind around 5 mph becoming calm.
• Saturday 2025-06-21, Mostly Sunny. Mostly sunny, with a high near 87.
• Saturday Night 2025-06-21, Partly Cloudy. Partly cloudy, with a low around 69.
• Sunday 2025-06-22, Partly Sunny. Partly sunny, with a high near 90.
• Sunday Night 2025-06-22, Partly Cloudy. Partly cloudy, with a low around 72.
• Monday 2025-06-23, Sunny. Sunny, with a high near 95.
• Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 73.
• Tuesday 2025-06-24, Sunny. Sunny, with a high near 95.
• Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 74.
• Wednesday 2025-06-25, Sunny then Chance T-storms. A chance of showers and thunderstorms. Sunny, with a high near 94. Chance of precipitation is 30%.