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Arlington Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | | | | | | | | |  | |
| Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 321 PM EDT Thu Oct 22 2026 
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Issued: 749 PM EDT Thu Oct 22 2026
Key Messages
1) Dry conditions and gradually warming daytime temperatures are expected Friday through Monday. Dry conditions continue through much of next week.
2) For Friday night into the weekend, locations within our region (mainly across interior NE NJ, the Lower Hudson Valley, Southern CT, parts of Eastern Suffolk NY) there will be frost potential for late night and early morning.
3) Minor coastal flooding possible in back bays of Nassau County NY for the morning high tide. For subsequent high...