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Lafayette Square Weather Forecast
| OVERNIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Mostly Cloudy | Chance of Showers | Chance of T-Storm | Showers | Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Sunny | Mostly Cloudy | Partly Sunny |
| Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C |
| POP: 30% | POP: 80% | POP: 90% | POP: 80% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 225 AM EDT Mon Sep 21 2026 
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Issued: 406 AM EDT Mon Sep 21 2026
Key Messages
- 1) Cloudy and cooler conditions are expected through mid-week, along with daily chances for showers.
- 2) Daily shower chances, abundant cloud cover, and cool temperatures continue through Thursday. Drier this weekend.
Discussion
... KEY MESSAGE 1...Cloudy and cooler conditions are expected through mid-week, along with daily chances for showers.
As of 330 AM, current radar imagery shows a weakening MCS approaching from central West Virginia. Cloud tops have shown substantial warming over ...