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O'Brien Park Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Sunny | Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Mostly Clear |
| Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 222 AM EDT Tue Oct 20 2026 
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Issued: 241 AM EDT Tue Oct 20 2026
Key Messages
1) Mainly dry and breezy conditions expected through the week as a nor`easter slowly passes well south and east of the region.
2) Minor coastal flooding possible during high tide Wednesday evening into Thursday for south shore back bays of Nassau and portions of Great South Bay.
Discussion
... .KEY MESSAGE 1... Low pressure/nor`easter will continue to meander off the Outer Banks of North Carolina today and then slowly move in a general NE direction through the end of the week. The syste...