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Wallkill Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Partly Sunny |
| Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C |
| POP: 40% | POP: 40% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM EDT Mon Sep 21 2026 
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Issued: 337 PM EDT Mon Sep 21 2026
Key Messages
1. A frontal boundary south of the region will keep rain chances around through mid-week, especially across southern portions of the area.
2. A closed mid-level low ejecting from the Ohio Valley is expected to lead to the development of a surface low off the Eastern Seaboard during the middle and latter parts of this week. Depending on the track of the low, it could bring increased rainfall chances to the region.
3. Multiple rounds of potentially significant tidal flooding expected for...