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City of Watertown, MassachusettsWatertown, MA Weather Forecast
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Watertown Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | |  |  | | | | | |  |  |
| Chance of Showers | Chance of Showers | Showers Likely | Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Showers | Showers | Mostly Sunny | Mostly Clear | Partly Cloudy |
| Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C Lo: 39°FLo: 4°C |
| POP: 30% | POP: 50% | POP: 70% | POP: 90% | POP: 80% |
POP = Probability of Precipitation.
Weather Outlook Updated: 704 PM EDT Mon Oct 12 2026 
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Issued: 753 PM EDT Mon Oct 12 2026
Key Messages
- Low clouds and rain showers return overnight into Tuesday night with a rumble of thunder possible.
- Isolated shower possible Wednesday, but drier overall. Dry conditions return for Thursday with seasonably cool temperatures.
- Low pressure system expected to bring rain Friday into early Saturday. Gusty northwest winds and below normal temperatures.
Discussion
... KEY MESSAGE 1...Low clouds and rain showers return overnight into Tuesday night with a rumble of thunder possible.
Still trackin...