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Great Falls, VA Weather Forecast
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Great Falls Weather Forecast
| OVERNIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 | | | |  |  |  |  |  | | | |
| Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Clear | Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Clear | Sunny |
| Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1221 AM EDT Sun Oct 25 2026 
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Issued: 1205 AM EDT Sun Oct 25 2026
Key Messages
- 1) Another chilly night ahead with Frost Advisories in effect for portions of northern Virginia and central/northern Maryland.
- 2) Seasonable temperatures and dry conditions continue through much of next week.
Discussion
... KEY MESSAGE 1...Another chilly night ahead with Frost Advisories in effect for portions of northern Virginia and central/northern Maryland.
High pressure will continue to meander over the area this evening before drifting southwest Sunday into Monday. As a result, ex...