Weather World
City of Chelsea, MAChelsea, MA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Chelsea Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  |  |  | |  | | | |  | |
| Partly Cloudy | Chance of Showers | Chance of Showers | Sunny | Mostly Clear | Mostly Sunny | Mostly Cloudy | Showers | Showers | Mostly Sunny | Chance of Showers | Chance of Showers |
| Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°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: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C |
| POP: 20% | POP: 50% | POP: 60% | POP: 60% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 704 PM EDT Wed Sep 16 2026 
Chelsea Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Chelsea Weather Map
Chelsea Quick Facts
Chelsea Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 759 PM EDT Wed Sep 16 2026
Key Messages
- Increased humidity and warmer temperatures continue tomorrow.
- Scattered showers possible Thursday evening into Friday morning.
- Rain chances return for the second half of the weekend. There remains uncertainty in the details such as coverage, timing, amounts.
Discussion
... KEY MESSAGE 1...Increased humidity and warmer temperatures continue tomorrow.
Warmer temperatures with increased humidity continue into tomorrow as an anomalous moisture plume and higher 925 mb temperatures advect int...