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Williamstown Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  |  |  |  | | | | |  |
| Patchy Fog | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Sunny | Showers | Chance of Showers | Partly Cloudy | Partly Sunny | Mostly Cloudy | Chance of Showers | Chance of Showers |
| Hi: 50°FHi: 10°C | Lo: 30°FLo: -1°C | Lo: 41°FLo: 5°C | Lo: 50°FLo: 10°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 40°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | ||
| POP: 60% | POP: 50% | POP: 30% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 AM EDT Tue Oct 27 2026 
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Issued: 552 AM EDT Tue Oct 27 2026
Key Messages
1) Primarily dry weather is expected through this weekend, but periodic rain showers are possible this Thursday evening through Thursday night and again this Sunday. Near-record warmth is forecast this Thursday.
Discussion
... KEY MESSAGE 1...Primarily dry weather is expected through this weekend, but periodic rain showers are possible this Thursday evening through Thursday night and again this Sunday. Near-record warmth is forecast this Thursday.
A surface ridge continues to affect our...