Chelsea, MA Weather Forecast
Local 7-day forecast
Patchy Fog then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Chelsea, MA in one place.
Patchy fog before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Heat index values as high as 96. West wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Chelsea, MA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 9, 2026 5:47 PM EDT.
The active forecast window currently covers Jul 10 to Jul 15, 2026 for Chelsea, MA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 15, 2026
- Latest sync
- Jul 9, 2026 5:47 PM EDT
- Forecast office
- BOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Chelsea
Wednesday looks like the warmest upcoming period in Chelsea at 92 degrees F.
Sunday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 12 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 9, 2026 5:47 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- BOX
- Radar station
- KBOX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. North wind around 3 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers. Mostly sunny, with a high near 81. Northeast wind 3 to 7 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 62. Northeast wind 0 to 5 mph.
Sunny, with a high near 80. Northeast wind 3 to 7 mph.
Mostly clear, with a low around 61. South wind 0 to 5 mph.
Sunny, with a high near 84. West wind 0 to 10 mph.
Mostly clear, with a low around 65. Southwest wind 5 to 9 mph.
Sunny, with a high near 87. Southwest wind 6 to 12 mph, with gusts as high as 22 mph.
Partly cloudy, with a low around 70. Southwest wind 7 to 12 mph, with gusts as high as 22 mph.
Mostly sunny, with a high near 92. West wind 7 to 10 mph.
Partly cloudy, with a low around 69. West wind 3 to 9 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Patchy Fog then Chance Showers And Thunderstorms
|
89°F |
3 to 7 mph
W
|
|
Friday Night
Jul 10
|
Slight Chance Showers And Thunderstorms
|
66°F |
3 mph
N
|
|
Saturday
Jul 11
|
Slight Chance Rain Showers
|
81°F |
3 to 7 mph
NE
|
|
Saturday Night
Jul 11
|
Partly Cloudy
|
62°F |
0 to 5 mph
NE
|
|
Sunday
Jul 12
|
Sunny
|
80°F |
3 to 7 mph
NE
|
|
Sunday Night
Jul 12
|
Mostly Clear
|
61°F |
0 to 5 mph
S
|
|
Monday
Jul 13
|
Sunny
|
84°F |
0 to 10 mph
W
|
|
Monday Night
Jul 13
|
Mostly Clear
|
65°F |
5 to 9 mph
SW
|
|
Tuesday
Jul 14
|
Sunny
|
87°F |
6 to 12 mph
SW
|
|
Tuesday Night
Jul 14
|
Partly Cloudy
|
70°F |
7 to 12 mph
SW
|
|
Wednesday
Jul 15
|
Mostly Sunny
|
92°F |
7 to 10 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
69°F |
3 to 9 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Chelsea.