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Lake Massawippa Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  |  |  |  | |  | | | | |
| Sunny | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of Showers | Sunny | Mostly Clear | Sunny | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C |
| POP: 50% | POP: 90% | POP: 70% | POP: 40% | POP: 40% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 PM EDT Sat Aug 15 2026 
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Lake Massawippa Forecast Discussion
Issued: 415 PM EDT Sat Aug 15 2026
Key Messages
1) Showers and a few thunderstorms Sunday night into early Monday morning may produce locally heavy downpours with a risk of minor urban/poor drainage flooding and localized flash flooding.
2) Mainly dry and seasonably warm Monday afternoon through Wednesday before the next chance of a shower or thunderstorm on Thursday.
Discussion
... .KEY MESSAGE 1...
The high pressure system over the area today will move east and shift offshore tonight into Sunday morning...