Weather WorldGreenbriar Lake, MD Weather Forecast
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Greenbriar Lake Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | |  | |  |  | | | | | |
| Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Chance of T-Storm |
| Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C |
| POP: 50% | POP: 50% | POP: 70% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 756 PM EDT Thu Aug 20 2026 
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Greenbriar Lake Forecast Discussion
Issued: 859 PM EDT Thu Aug 20 2026
Key Messages
- 1) Quieting down tonight into Friday with lowering humidity and cooler temperatures.
- 2) Thunderstorm chances increase Friday night and continue through Sunday. Lowering humidity and drier conditions early next week.
Discussion
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KEY MESSAGE 1...Quieting down tonight into Friday with lowering humidity and cooler temperatures
Severe Thunderstorm Watches and Tornado Watches have been allowed to expire early as the severe threat diminishes. The line of thunder...