Weather WorldUpper Mount Glen Lake, NJ Weather Forecast
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Upper Mount Glen Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  | |  |  | | | |  | | |
| Chance of Showers | Clearing | Sunny | Partly Cloudy | Chance of T-Storm | Showers Likely | Mostly Sunny | Partly Cloudy | Chance of Showers | Showers | Showers Likely | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C |
| POP: 20% | POP: 60% | POP: 60% | POP: 50% | POP: 60% | POP: 60% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 216 AM EDT Tue Aug 18 2026 
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Upper Mount Glen Lake Forecast Discussion
Issued: 451 AM EDT Tue Aug 18 2026
Key Messages
1) Potential for periods of rain Thursday through the weekend. Impacts appear to be limited at this time.
Discussion
... .KEY MESSAGE 1... Once a cold front pushes through Wednesday night, it will stall over or near the area through the weekend. Shortwave energy pivoting through the base of a longwave trough will likely generate multiple waves of low pressure that will move along the stalled front. Exact location of this front will determine timing, locati...