I-78 weather conditions near Summit, New Jersey
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fog/Mist 55°F 2025-09-22T23:15:00-04:00 
Tonight 2025-09-22, Partly Cloudy. Partly cloudy, with a low around 58. Light south wind.Tuesday 2025-09-23, Partly Sunny then Slight Chance Showers. A 20 percent chance of showers after 2pm. Partly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning.
Tuesday Night 2025-09-23, Showers Likely. Showers and thunderstorms likely before midnight, then a chance of showers. Mostly cloudy, with a low around 63. Light southwest wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.Wednesday 2025-09-24, Mostly Cloudy then Chance Showers. A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.
- Wednesday Night 2025-09-24, Showers Likely. Showers likely, mainly after 2am. Mostly cloudy, with a low around 64. Light east wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday 2025-09-25, Showers Likely. Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 74. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night 2025-09-25, Showers Likely. Showers likely and possibly a thunderstorm. Cloudy, with a low around 64. Chance of precipitation is 70%.
Friday 2025-09-26, Chance Showers. A 50 percent chance of showers. Mostly cloudy, with a high near 77.
Friday Night 2025-09-26, Chance Showers. A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Saturday 2025-09-27, Chance Showers. A 40 percent chance of showers. Mostly sunny, with a high near 78.- Saturday Night 2025-09-27, Partly Cloudy. Partly cloudy, with a low around 60.
Sunday 2025-09-28, Mostly Sunny. Mostly sunny, with a high near 78.- Sunday Night 2025-09-28, Partly Cloudy. Partly cloudy, with a low around 57.
- Monday 2025-09-29, Mostly Sunny. Mostly sunny, with a high near 75.