St. Casimirs School, MD Weather Forecast
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St. Casimirs School Weather Forecast
| OVERNIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Chance of Showers | Mostly Sunny | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny |
| Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C |
| POP: 80% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1207 AM EDT Wed Aug 19 2026 

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St. Casimirs School Forecast Discussion
Issued: 849 PM EDT Tue Aug 18 2026
Key Messages
- 1) After a break Wednesday, showers and thunderstorm chances increase Thursday and Friday.
- 2) Numerous showers and thunderstorms Saturday with lingering showers Sunday. Turning cooler and dry for next week.
Discussion
... KEY MESSAGE 1...After a break Wednesday, showers and thunderstorm chances increase Thursday and Friday.
Any shower activity remaining over far southern Maryland has decayed with the loss of daytime heating. While the main frontal zone has ...
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