I-78 weather conditions near Allentown, Pennsylvania

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 14°F 2025-12-13T02:51:00-05:00
• Overnight 2025-12-13, Cloudy. Cloudy, with a low around 19. Calm wind.
• Saturday 2025-12-13, Slight Chance Snow Showers. A slight chance of snow showers before 9am, then a slight chance of snow showers after 4pm. Cloudy, with a high near 38. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
• Saturday Night 2025-12-13, Snow. Snow, mainly after 8pm. Low around 23. West wind around 5 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
• Sunday 2025-12-14, Snow Likely then Mostly Cloudy. Snow likely before 7am, then a chance of snow showers between 7am and noon. Mostly cloudy, with a high near 28. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
• Sunday Night 2025-12-14, Partly Cloudy. Partly cloudy, with a low around 15. Northwest wind 10 to 15 mph.
• Monday 2025-12-15, Partly Sunny. Partly sunny, with a high near 30.
• Monday Night 2025-12-15, Mostly Cloudy. Mostly cloudy, with a low around 18.
• Tuesday 2025-12-16, Mostly Sunny. Mostly sunny, with a high near 32.
• Tuesday Night 2025-12-16, Mostly Cloudy. Mostly cloudy, with a low around 21.
• Wednesday 2025-12-17, Partly Sunny. Partly sunny, with a high near 43.
• Wednesday Night 2025-12-17, Mostly Cloudy. Mostly cloudy, with a low around 28.
• Thursday 2025-12-18, Mostly Cloudy then Chance Rain. A chance of rain. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.
• Thursday Night 2025-12-18, Rain Likely. Rain likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
• Friday 2025-12-19, Mostly Sunny. Mostly sunny, with a high near 41.