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Killingworth Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Patchy Fog | Partly Cloudy | Partly Sunny | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Sunny | Chance of Showers | Showers Likely | Showers Likely |
| Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C |
| POP: 40% | POP: 60% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 242 AM EDT Tue Sep 29 2026 
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Issued: 752 AM EDT Tue Sep 29 2026
Key Messages
1) High pressure builds into the area this week with a warming trend into the end of the week.
2) Water levels may approach minor coastal flood benchmarks the next couple of days, especially along the south shore back bays of Nassau and SW Suffolk on Long Island.
Discussion
... .KEY MESSAGE 1... Low pressure will continue to push out of the area Tuesday as surface high pressure builds into the area from the west through the rest of the week. While a stray pop-up shower remains possible ...