Sterling, MA Weather Forecast
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Sterling Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| Partly Cloudy | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C |
| POP: 30% | POP: 40% | POP: 70% | POP: 60% | POP: 40% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 404 PM EDT Fri Aug 21 2026 

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Sterling Forecast Discussion
Issued: 259 PM EDT Fri Aug 21 2026
Key Messages
- Below normal temperatures and overcast conditions continue through the weekend. Drizzle/misty weather through Saturday then a period of heavier rain possible overnight into Sunday.
- Drier and warmer next week.
Discussion
... KEY MESSAGE 1...Below normal temperatures and overcast conditions continue through the weekend. Drizzle/misty weather through Saturday then a period of heavier rain possible overnight into Sunday.
The low pressure system that`s brought the misty and overcast weather ...
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