McDonogh Run, MD Weather Forecast
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McDonogh Run Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Partly Cloudy | Mostly Sunny | Isolated Showers | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C |
| POP: 20% | POP: 50% | POP: 70% | POP: 40% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1055 PM EDT Fri Sep 18 2026 

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Issued: 917 PM EDT Fri Sep 18 2026
Key Messages
- 1) Cooler and drier conditions are forecast for Saturday, before showers and thunderstorms return Sunday.
- 2) Daily chances for showers persists into next week along with cooler temperatures.
Discussion
... KEY MESSAGE 1...Cooler and drier conditions are forecast for Saturday, before showers and thunderstorms return Sunday.
Surface ridging builds in for Saturday supporting fair weather conditions. Warm air and moisture advection atop a shallow cool layer will support scattered showers ac...
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