Valley Mill, MD Weather Forecast
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Valley Mill Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy | Chance of T-Storm | Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 60°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C |
| POP: 50% | POP: 50% | POP: 70% | POP: 70% | POP: 40% | POP: 40% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 502 AM EDT Thu Sep 17 2026 

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Issued: 348 AM EDT Thu Sep 17 2026
Key Messages
- 1) Warm and humid, with thunderstorm chances today before turning cooler into the first half of the weekend.
- 2) Unsettled weather conditions return again Sunday and into next week.
Discussion
... KEY MESSAGE 1...Warm and humid, with thunderstorm chances today before turning cooler into the first half of the weekend.
As Canadian high pressure has edged toward the Atlantic coastline, return flow around the west side of this anticyclone has yielded a milder and more moisture-laden air mass...
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