Lexington Reservoir, MA Weather Forecast
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Lexington Reservoir Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Partly Cloudy | Mostly Sunny | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Clear | Mostly Clear | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C Lo: 69°FLo: 21°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Hi: 79°FHi: 26°C Lo: 65°FLo: 18°C |
| POP: 30% | POP: 50% | POP: 40% | POP: 40% | POP: 30% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 402 PM EDT Wed Aug 26 2026 

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Issued: 300 PM EDT Wed Aug 26 2026
Key Messages
- Scattered thunderstorms, some of which could be severe late Thursday, with a few hit and miss thunderstorms possible again Friday afternoon.
- Mainly dry and seasonable weather follows for this weekend with comfortable humidity.
- A period or two of unsettled weather may return early next week with a backdoor cold front in the vicinity of southern New England. Large spread/high uncertainty on temps dependent on backdoor cold front/s location.
Discussion
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KEY MESSAGE 1...Scattered thunder...
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