Weather WorldMercerville, NJ Weather Forecast
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Mercerville Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny |
| Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM EDT Mon Oct 19 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 101 AM EDT Tue Oct 20 2026
Key Messages
1. A nor`easter well off the Mid-Atlantic coast will bring coastal impacts and hazardous marine conditions through about Thursday.
2. A prolonged period of onshore flow will lead to multiple elevated high tide cycles this week resulting in rounds of coastal flooding.
Discussion
... KEY MESSAGE 1...A nor`easter well off the Mid-Atlantic coast will bring coastal impacts and hazardous marine conditions through about Thursday.
A closed low off the southern Mid-Atlantic coast through Tuesday ...