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Hamilton Weather Forecast
| OVERNIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  |  | | | | |  | | |
| Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Mostly Sunny | Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Chance of Showers | Partly Cloudy |
| Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C |
| POP: 20% | POP: 50% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 705 PM EDT Sat Sep 12 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 737 PM EDT Sat Sep 12 2026
Key Messages
1) Occasional showers and thunderstorms are expected this weekend. Locally heavy rainfall will be possible into this evening.
2) Additional chances for precipitation are expected during the middle part of next week, along with warming temperatures.
Discussion
... KEY MESSAGE 1)
Showers and areas of embedded thunderstorms continue this afternoon ahead of an approaching upper level vorticity max. Efficient rainfalls rates have been observed (1+ inches per hour) in the high PWAT environment...