Newcastle, ME Weather Forecast
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Newcastle Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Partly Cloudy | Mostly Cloudy | Chance of Rain | Chance of Rain | Rain | Chance of Rain | Rain | Rain | Showers | Chance of Showers | Partly Cloudy | Partly Sunny |
| Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C |
| POP: 30% | POP: 70% | POP: 70% | POP: 70% | POP: 80% | POP: 80% | POP: 80% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 500 PM EDT Thu Sep 24 2026 

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Issued: 706 PM EDT Thu Sep 24 2026
Key Messages
1. High pressure keeps dry conditions through Friday, but dangerous marine and surf conditions develop and persist through the weekend and possibly into Monday. In addition, splash-over is likely along the coast with water levels approaching minor flood stage around the times of high tide.
2. Strong nor`easter will also lead to widespread beneficial rain and gusty winds Friday night through the weekend.
3. Rain will gradually taper off at the beginning of the week, but conditions may r...
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