7-Day Forecast 40.86°N 74.69°W (Text-Only)
NWS Forecast for: Succasunna NJ
Issued by: National Weather Service Philadelphia, PA
Last Update: 4:12 pm EDT Jul 13, 2025




This Afternoon: A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 28. South wind around 10 km/h. Chance of precipitation is 20%.

Tonight: A chance of showers and thunderstorms, mainly before 1am. Increasing clouds, with a low around 21. South wind 5 to 10 km/h. Chance of precipitation is 30%.

Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 28. South wind 5 to 10 km/h. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Low around 21. Calm wind. Chance of precipitation is 80%. New rainfall amounts between 7.5 mm and 1 cm possible.

Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 28. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 11pm, then a slight chance of showers after 11pm. Mostly cloudy, with a low around 21. Chance of precipitation is 60%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 30. Chance of precipitation is 60%.

Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

Thursday: Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.

Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 50%.

Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.

Saturday: A chance of showers. Partly sunny, with a high near 29. Chance of precipitation is 40%.

Saturday Night: A chance of showers. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.

Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 28.



Succasunna NJ
 40.86°N 74.69°W (Elev. 1099 m)

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