Mount Washington, MA Weather Forecast
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Mount Washington Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Chance of Showers | Chance of Showers |
| 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: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C |
| POP: 50% | POP: 80% | POP: 60% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 AM EDT Sat Aug 22 2026 

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Issued: 236 AM EDT Sat Aug 22 2026
Key Messages
1) After a dry Saturday, areas of showers and thunderstorms arrive late tonight into Sunday A.M with showers and storms returning Sunday P.M. There is a marginal risk (level 1 of 5) for isolated severe thunderstorms across much of eastern NY and western New England Sunday P.M.
2) Isolated to scattered showers and thunderstorms continue Monday and Tuesday, especially near and north of I-90, with temperatures remaining slightly cooler than normal.
Discussion
... KEY MESSAGE 1...
Broad trou...
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