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 61°F 2025-06-17T03:15:00-04:00 
Overnight 2025-06-17, Slight Chance Light Rain and Patchy Fog. A slight chance of drizzle or light rain. Patchy fog. Otherwise, cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.
Tuesday 2025-06-17, Chance Showers and Patchy Fog. A 40 percent chance of showers, mainly after 8am. Patchy fog before noon. Otherwise, cloudy, with a high near 74. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night 2025-06-17, Showers Likely and Patchy Fog. Showers likely and possibly a thunderstorm. Patchy fog before 2am. Otherwise, cloudy, with a low around 65. Light south wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.Wednesday 2025-06-18, Chance Showers then Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-06-18, Showers Likely then Chance Showers. Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Light southwest wind. Chance of precipitation is 60%.
Juneteenth 2025-06-19, Mostly Sunny then Chance T-storms. A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Thursday Night 2025-06-19, Chance T-storms then Partly Cloudy. A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65.
Friday 2025-06-20, Sunny. Sunny, with a high near 85.
Friday Night 2025-06-20, Partly Cloudy. Partly cloudy, with a low around 63.
Saturday 2025-06-21, Mostly Sunny. Mostly sunny, with a high near 86.
Saturday Night 2025-06-21, Mostly Cloudy. Mostly cloudy, with a low around 67.
Sunday 2025-06-22, Partly Sunny. Partly sunny, with a high near 89.- Sunday Night 2025-06-22, Partly Cloudy. Partly cloudy, with a low around 71.
- Monday 2025-06-23, Mostly Sunny. Mostly sunny, with a high near 94.