I-78 weather conditions near Summit, New Jersey

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fair 41°F 2025-10-19T01:35:00-04:00
• Overnight 2025-10-19, Patchy Fog. Patchy fog after 3am. Otherwise, mostly clear, with a low around 47. Calm wind.
• Sunday 2025-10-19, Patchy Fog then Partly Sunny. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 25 mph.
• Sunday Night 2025-10-19, Showers Likely then Showers. Showers likely, then showers and possibly a thunderstorm after 2am. Low around 55. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
• Monday 2025-10-20, Showers. Showers, mainly before 2pm. High near 63. South wind 11 to 14 mph becoming west in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
• Monday Night 2025-10-20, Chance Showers then Mostly Clear. A 30 percent chance of showers before 8pm. Mostly clear, with a low around 45. West wind 7 to 9 mph, with gusts as high as 20 mph.
• Tuesday 2025-10-21, Sunny. Sunny, with a high near 66.
• Tuesday Night 2025-10-21, Chance Showers. A 50 percent chance of showers. Mostly cloudy, with a low around 48.
• Wednesday 2025-10-22, Chance Showers. A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 64.
• Wednesday Night 2025-10-22, Mostly Clear. Mostly clear, with a low around 41.
• Thursday 2025-10-23, Mostly Sunny. Mostly sunny, with a high near 58.
• Thursday Night 2025-10-23, Mostly Clear. Mostly clear, with a low around 39.
• Friday 2025-10-24, Sunny. Sunny, with a high near 59.
• Friday Night 2025-10-24, Mostly Cloudy. Mostly cloudy, with a low around 42.
• Saturday 2025-10-25, Partly Sunny. Partly sunny, with a high near 60.