Weather WorldGropp Lake, NJ Weather Forecast
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Gropp Lake Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | |  |  |  |  | |  | | | |
| Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy | Showers | Showers | Showers Likely | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C |
| POP: 60% | POP: 90% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 AM EDT Thu Oct 08 2026 
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Issued: 548 AM EDT Thu Oct 8 2026
Key Messages
1. Tranquil weather will prevail into the weekend with no significant weather hazards anticipated.
2. The remnants of what is now Hurricane Isaias will approach the area late this weekend bringing rain back to the region Sunday into Sunday night.
Discussion
... KEY MESSAGE 1...Tranquil weather will prevail into the weekend with no significant weather hazards anticipated.
Aloft, a closed low will traverse portions of Ontario and the Hudson Bay and into Quebec through Friday, with long wav...