I-78 weather conditions near Summit, New Jersey

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Partly Cloudy 90°F 2025-06-19T12:59:00-04:00
• Juneteenth 2025-06-19, Severe Thunderstorms. Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 92. Heat index values as high as 96. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
• Tonight 2025-06-19, Severe Thunderstorms then Slight Chance T-storms. Showers and thunderstorms likely, mainly before 11pm. Some of the storms could be severe. Partly cloudy, with a low around 65. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
• Friday 2025-06-20, Sunny. Sunny, with a high near 86. West wind 10 to 14 mph.
• Friday Night 2025-06-20, Partly Cloudy. Partly cloudy, with a low around 66. West wind around 6 mph becoming calm in the evening.
• Saturday 2025-06-21, Partly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 91. Calm wind becoming west 5 to 7 mph in the morning.
• Saturday Night 2025-06-21, Mostly Cloudy. Mostly cloudy, with a low around 71.
• 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, Mostly Sunny. Mostly sunny, with a high near 94.
• Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 75.
• Tuesday 2025-06-24, Sunny. Sunny, with a high near 97.
• Tuesday Night 2025-06-24, Partly Cloudy. Partly cloudy, with a low around 76.
• Wednesday 2025-06-25, Mostly Sunny. Mostly sunny, with a high near 94.